Home / 402,984,811.70-604,477,217.56-147,650,002.10

Finding the Fourth Proportional to 402,984,811.70, 604,477,217.56 and 147,650,002.10

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Solution

The fourth proportional to 402,984,811.70, 604,477,217.56 and 147,650,002.10 is: 221,475,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,984,811.70 : 604,477,217.56 = 147,650,002.10 : x
  2. Step 2: Convert to fraction form
    402,984,811.70/604,477,217.56 = 147,650,002.10/x
  3. Step 3: Cross multiply
    402,984,811.70x = 604,477,217.56 × 147,650,002.10
  4. Step 4: Simplify right side
    402,984,811.70x = 89,251,062,442,136,144
  5. Step 5: Solve for x
    x = 89,251,062,442,136,144/402,984,811.70
  6. Step 6: Final answer
    x = 221,475,003.15

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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.