Home / 578,768,442.30-868,152,663.45-534,426,579.90

Finding the Fourth Proportional to 578,768,442.30, 868,152,663.45 and 534,426,579.90

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Solution

The fourth proportional to 578,768,442.30, 868,152,663.45 and 534,426,579.90 is: 801,639,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,768,442.30 : 868,152,663.45 = 534,426,579.90 : x
  2. Step 2: Convert to fraction form
    578,768,442.30/868,152,663.45 = 534,426,579.90/x
  3. Step 3: Cross multiply
    578,768,442.30x = 868,152,663.45 × 534,426,579.90
  4. Step 4: Simplify right side
    578,768,442.30x = 463,963,858,758,659,264
  5. Step 5: Solve for x
    x = 463,963,858,758,659,264/578,768,442.30
  6. Step 6: Final answer
    x = 801,639,869.85

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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.