Home / 660,573,000.90-990,859,501.35-442,894,767.30

Finding the Fourth Proportional to 660,573,000.90, 990,859,501.35 and 442,894,767.30

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Solution

The fourth proportional to 660,573,000.90, 990,859,501.35 and 442,894,767.30 is: 664,342,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,573,000.90 : 990,859,501.35 = 442,894,767.30 : x
  2. Step 2: Convert to fraction form
    660,573,000.90/990,859,501.35 = 442,894,767.30/x
  3. Step 3: Cross multiply
    660,573,000.90x = 990,859,501.35 × 442,894,767.30
  4. Step 4: Simplify right side
    660,573,000.90x = 438,846,488,277,402,304
  5. Step 5: Solve for x
    x = 438,846,488,277,402,304/660,573,000.90
  6. Step 6: Final answer
    x = 664,342,150.95

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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.