Home / 402,984,853.20-604,477,279.80-147,650,043.60

Finding the Fourth Proportional to 402,984,853.20, 604,477,279.80 and 147,650,043.60

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Solution

The fourth proportional to 402,984,853.20, 604,477,279.80 and 147,650,043.60 is: 221,475,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,984,853.20 : 604,477,279.80 = 147,650,043.60 : x
  2. Step 2: Convert to fraction form
    402,984,853.20/604,477,279.80 = 147,650,043.60/x
  3. Step 3: Cross multiply
    402,984,853.20x = 604,477,279.80 × 147,650,043.60
  4. Step 4: Simplify right side
    402,984,853.20x = 89,251,096,717,679,392
  5. Step 5: Solve for x
    x = 89,251,096,717,679,392/402,984,853.20
  6. Step 6: Final answer
    x = 221,475,065.40

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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.