Home / 658,939,793.13-909,334,420.02-361,587,011.37

Finding the Fourth Proportional to 658,939,793.13, 909,334,420.02 and 361,587,011.37

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Solution

The fourth proportional to 658,939,793.13, 909,334,420.02 and 361,587,011.37 is: 498,988,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,939,793.13 : 909,334,420.02 = 361,587,011.37 : x
  2. Step 2: Convert to fraction form
    658,939,793.13/909,334,420.02 = 361,587,011.37/x
  3. Step 3: Cross multiply
    658,939,793.13x = 909,334,420.02 × 361,587,011.37
  4. Step 4: Simplify right side
    658,939,793.13x = 328,803,515,270,904,064
  5. Step 5: Solve for x
    x = 328,803,515,270,904,064/658,939,793.13
  6. Step 6: Final answer
    x = 498,988,706.86

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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.