Home / 1,162,387,301.70-1,604,048,272.70-686,231,048.91

Finding the Fourth Proportional to 1,162,387,301.70, 1,604,048,272.70 and 686,231,048.91

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Solution

The fourth proportional to 1,162,387,301.70, 1,604,048,272.70 and 686,231,048.91 is: 946,971,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,387,301.70 : 1,604,048,272.70 = 686,231,048.91 : x
  2. Step 2: Convert to fraction form
    1,162,387,301.70/1,604,048,272.70 = 686,231,048.91/x
  3. Step 3: Cross multiply
    1,162,387,301.70x = 1,604,048,272.70 × 686,231,048.91
  4. Step 4: Simplify right side
    1,162,387,301.70x = 1,100,747,728,670,890,112
  5. Step 5: Solve for x
    x = 1,100,747,728,670,890,112/1,162,387,301.70
  6. Step 6: Final answer
    x = 946,971,570.55

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Double scale
Find fourth proportional to 1,162,387,302.70, 1,604,048,274.08 and 686,231,049.91
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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.