Home / 458,969,929.20-633,360,024.36-250,121,587.68

Finding the Fourth Proportional to 458,969,929.20, 633,360,024.36 and 250,121,587.68

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Solution

The fourth proportional to 458,969,929.20, 633,360,024.36 and 250,121,587.68 is: 345,157,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,969,929.20 : 633,360,024.36 = 250,121,587.68 : x
  2. Step 2: Convert to fraction form
    458,969,929.20/633,360,024.36 = 250,121,587.68/x
  3. Step 3: Cross multiply
    458,969,929.20x = 633,360,024.36 × 250,121,587.68
  4. Step 4: Simplify right side
    458,969,929.20x = 158,417,014,865,966,688
  5. Step 5: Solve for x
    x = 158,417,014,865,966,688/458,969,929.20
  6. Step 6: Final answer
    x = 345,157,721.21

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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.