Home / 979,808,966.70-1,467,697,910.85-495,407,712.30

Finding the Fourth Proportional to 979,808,966.70, 1,467,697,910.85 and 495,407,712.30

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Solution

The fourth proportional to 979,808,966.70, 1,467,697,910.85 and 495,407,712.30 is: 742,092,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,808,966.70 : 1,467,697,910.85 = 495,407,712.30 : x
  2. Step 2: Convert to fraction form
    979,808,966.70/1,467,697,910.85 = 495,407,712.30/x
  3. Step 3: Cross multiply
    979,808,966.70x = 1,467,697,910.85 × 495,407,712.30
  4. Step 4: Simplify right side
    979,808,966.70x = 727,108,864,361,687,808
  5. Step 5: Solve for x
    x = 727,108,864,361,687,808/979,808,966.70
  6. Step 6: Final answer
    x = 742,092,478.30

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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.