Home / 1,150,565,434.62-1,587,779,615.22-621,929,429.16

Finding the Fourth Proportional to 1,150,565,434.62, 1,587,779,615.22 and 621,929,429.16

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Solution

The fourth proportional to 1,150,565,434.62, 1,587,779,615.22 and 621,929,429.16 is: 858,262,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,565,434.62 : 1,587,779,615.22 = 621,929,429.16 : x
  2. Step 2: Convert to fraction form
    1,150,565,434.62/1,587,779,615.22 = 621,929,429.16/x
  3. Step 3: Cross multiply
    1,150,565,434.62x = 1,587,779,615.22 × 621,929,429.16
  4. Step 4: Simplify right side
    1,150,565,434.62x = 987,486,869,725,659,008
  5. Step 5: Solve for x
    x = 987,486,869,725,659,008/1,150,565,434.62
  6. Step 6: Final answer
    x = 858,262,242.21

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Double scale
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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.