Home / 658,725,030.86-909,035,162.20-357,309,587.88

Finding the Fourth Proportional to 658,725,030.86, 909,035,162.20 and 357,309,587.88

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Solution

The fourth proportional to 658,725,030.86, 909,035,162.20 and 357,309,587.88 is: 493,084,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,725,030.86 : 909,035,162.20 = 357,309,587.88 : x
  2. Step 2: Convert to fraction form
    658,725,030.86/909,035,162.20 = 357,309,587.88/x
  3. Step 3: Cross multiply
    658,725,030.86x = 909,035,162.20 × 357,309,587.88
  4. Step 4: Simplify right side
    658,725,030.86x = 324,806,979,175,822,464
  5. Step 5: Solve for x
    x = 324,806,979,175,822,464/658,725,030.86
  6. Step 6: Final answer
    x = 493,084,312.82

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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.