Home / 487,989,368.20-732,550,922.70-294,119,691.40

Finding the Fourth Proportional to 487,989,368.20, 732,550,922.70 and 294,119,691.40

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Solution

The fourth proportional to 487,989,368.20, 732,550,922.70 and 294,119,691.40 is: 441,521,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,989,368.20 : 732,550,922.70 = 294,119,691.40 : x
  2. Step 2: Convert to fraction form
    487,989,368.20/732,550,922.70 = 294,119,691.40/x
  3. Step 3: Cross multiply
    487,989,368.20x = 732,550,922.70 × 294,119,691.40
  4. Step 4: Simplify right side
    487,989,368.20x = 215,457,651,319,309,248
  5. Step 5: Solve for x
    x = 215,457,651,319,309,248/487,989,368.20
  6. Step 6: Final answer
    x = 441,521,199.76

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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.