Home / 687,124,182.66-1,031,654,825.28-492,929,736.36

Finding the Fourth Proportional to 687,124,182.66, 1,031,654,825.28 and 492,929,736.36

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Solution

The fourth proportional to 687,124,182.66, 1,031,654,825.28 and 492,929,736.36 is: 740,089,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,124,182.66 : 1,031,654,825.28 = 492,929,736.36 : x
  2. Step 2: Convert to fraction form
    687,124,182.66/1,031,654,825.28 = 492,929,736.36/x
  3. Step 3: Cross multiply
    687,124,182.66x = 1,031,654,825.28 × 492,929,736.36
  4. Step 4: Simplify right side
    687,124,182.66x = 508,533,341,039,792,256
  5. Step 5: Solve for x
    x = 508,533,341,039,792,256/687,124,182.66
  6. Step 6: Final answer
    x = 740,089,424.70

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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.