Home / 1,111,372,315.49-1,666,634,722.25-374,244,309.95

Finding the Fourth Proportional to 1,111,372,315.49, 1,666,634,722.25 and 374,244,309.95

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Solution

The fourth proportional to 1,111,372,315.49, 1,666,634,722.25 and 374,244,309.95 is: 561,223,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,372,315.49 : 1,666,634,722.25 = 374,244,309.95 : x
  2. Step 2: Convert to fraction form
    1,111,372,315.49/1,666,634,722.25 = 374,244,309.95/x
  3. Step 3: Cross multiply
    1,111,372,315.49x = 1,666,634,722.25 × 374,244,309.95
  4. Step 4: Simplify right side
    1,111,372,315.49x = 623,728,561,556,956,672
  5. Step 5: Solve for x
    x = 623,728,561,556,956,672/1,111,372,315.49
  6. Step 6: Final answer
    x = 561,223,770.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.