Home / 728,275,515.20-1,092,413,272.80-723,173,681.60

Finding the Fourth Proportional to 728,275,515.20, 1,092,413,272.80 and 723,173,681.60

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Solution

The fourth proportional to 728,275,515.20, 1,092,413,272.80 and 723,173,681.60 is: 1,084,760,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,275,515.20 : 1,092,413,272.80 = 723,173,681.60 : x
  2. Step 2: Convert to fraction form
    728,275,515.20/1,092,413,272.80 = 723,173,681.60/x
  3. Step 3: Cross multiply
    728,275,515.20x = 1,092,413,272.80 × 723,173,681.60
  4. Step 4: Simplify right side
    728,275,515.20x = 790,004,528,319,481,088
  5. Step 5: Solve for x
    x = 790,004,528,319,481,088/728,275,515.20
  6. Step 6: Final answer
    x = 1,084,760,522.40

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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.