Home / 1,039,076,346.24-1,433,381,716.17-642,472,556.76

Finding the Fourth Proportional to 1,039,076,346.24, 1,433,381,716.17 and 642,472,556.76

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Solution

The fourth proportional to 1,039,076,346.24, 1,433,381,716.17 and 642,472,556.76 is: 886,275,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,076,346.24 : 1,433,381,716.17 = 642,472,556.76 : x
  2. Step 2: Convert to fraction form
    1,039,076,346.24/1,433,381,716.17 = 642,472,556.76/x
  3. Step 3: Cross multiply
    1,039,076,346.24x = 1,433,381,716.17 × 642,472,556.76
  4. Step 4: Simplify right side
    1,039,076,346.24x = 920,908,416,000,776,576
  5. Step 5: Solve for x
    x = 920,908,416,000,776,576/1,039,076,346.24
  6. Step 6: Final answer
    x = 886,275,988.61

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,039,076,347.24, 1,433,381,717.55 and 642,472,557.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.