Home / 971,870,900.20-1,341,219,902.39-548,499,350.20

Finding the Fourth Proportional to 971,870,900.20, 1,341,219,902.39 and 548,499,350.20

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Solution

The fourth proportional to 971,870,900.20, 1,341,219,902.39 and 548,499,350.20 is: 756,950,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,870,900.20 : 1,341,219,902.39 = 548,499,350.20 : x
  2. Step 2: Convert to fraction form
    971,870,900.20/1,341,219,902.39 = 548,499,350.20/x
  3. Step 3: Cross multiply
    971,870,900.20x = 1,341,219,902.39 × 548,499,350.20
  4. Step 4: Simplify right side
    971,870,900.20x = 735,658,244,936,222,592
  5. Step 5: Solve for x
    x = 735,658,244,936,222,592/971,870,900.20
  6. Step 6: Final answer
    x = 756,950,583.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.