Home / 985,794,389.09-1,360,396,587.03-539,785,962.22

Finding the Fourth Proportional to 985,794,389.09, 1,360,396,587.03 and 539,785,962.22

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Solution

The fourth proportional to 985,794,389.09, 1,360,396,587.03 and 539,785,962.22 is: 744,904,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,794,389.09 : 1,360,396,587.03 = 539,785,962.22 : x
  2. Step 2: Convert to fraction form
    985,794,389.09/1,360,396,587.03 = 539,785,962.22/x
  3. Step 3: Cross multiply
    985,794,389.09x = 1,360,396,587.03 × 539,785,962.22
  4. Step 4: Simplify right side
    985,794,389.09x = 734,322,980,730,792,576
  5. Step 5: Solve for x
    x = 734,322,980,730,792,576/985,794,389.09
  6. Step 6: Final answer
    x = 744,904,808.61

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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.