Home / 869,553,617.70-1,303,883,622.45-256,058,127.30

Finding the Fourth Proportional to 869,553,617.70, 1,303,883,622.45 and 256,058,127.30

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Solution

The fourth proportional to 869,553,617.70, 1,303,883,622.45 and 256,058,127.30 is: 383,955,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,553,617.70 : 1,303,883,622.45 = 256,058,127.30 : x
  2. Step 2: Convert to fraction form
    869,553,617.70/1,303,883,622.45 = 256,058,127.30/x
  3. Step 3: Cross multiply
    869,553,617.70x = 1,303,883,622.45 × 256,058,127.30
  4. Step 4: Simplify right side
    869,553,617.70x = 333,869,998,581,687,296
  5. Step 5: Solve for x
    x = 333,869,998,581,687,296/869,553,617.70
  6. Step 6: Final answer
    x = 383,955,620.20

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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.