Home / 495,841,973.70-743,762,960.55-442,272,720.90

Finding the Fourth Proportional to 495,841,973.70, 743,762,960.55 and 442,272,720.90

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Solution

The fourth proportional to 495,841,973.70, 743,762,960.55 and 442,272,720.90 is: 663,409,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,841,973.70 : 743,762,960.55 = 442,272,720.90 : x
  2. Step 2: Convert to fraction form
    495,841,973.70/743,762,960.55 = 442,272,720.90/x
  3. Step 3: Cross multiply
    495,841,973.70x = 743,762,960.55 × 442,272,720.90
  4. Step 4: Simplify right side
    495,841,973.70x = 328,946,068,267,087,808
  5. Step 5: Solve for x
    x = 328,946,068,267,087,808/495,841,973.70
  6. Step 6: Final answer
    x = 663,409,081.35

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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.