Home / 738,234,679.20-1,107,352,018.80-726,755,553.60

Finding the Fourth Proportional to 738,234,679.20, 1,107,352,018.80 and 726,755,553.60

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Solution

The fourth proportional to 738,234,679.20, 1,107,352,018.80 and 726,755,553.60 is: 1,090,133,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,234,679.20 : 1,107,352,018.80 = 726,755,553.60 : x
  2. Step 2: Convert to fraction form
    738,234,679.20/1,107,352,018.80 = 726,755,553.60/x
  3. Step 3: Cross multiply
    738,234,679.20x = 1,107,352,018.80 × 726,755,553.60
  4. Step 4: Simplify right side
    738,234,679.20x = 804,774,229,453,071,616
  5. Step 5: Solve for x
    x = 804,774,229,453,071,616/738,234,679.20
  6. Step 6: Final answer
    x = 1,090,133,330.40

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1.5x scale

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.