Home / 979,808,956.20-1,467,697,895.10-495,407,701.80

Finding the Fourth Proportional to 979,808,956.20, 1,467,697,895.10 and 495,407,701.80

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Solution

The fourth proportional to 979,808,956.20, 1,467,697,895.10 and 495,407,701.80 is: 742,092,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,808,956.20 : 1,467,697,895.10 = 495,407,701.80 : x
  2. Step 2: Convert to fraction form
    979,808,956.20/1,467,697,895.10 = 495,407,701.80/x
  3. Step 3: Cross multiply
    979,808,956.20x = 1,467,697,895.10 × 495,407,701.80
  4. Step 4: Simplify right side
    979,808,956.20x = 727,108,841,148,188,416
  5. Step 5: Solve for x
    x = 727,108,841,148,188,416/979,808,956.20
  6. Step 6: Final answer
    x = 742,092,462.56

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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.