Home / 377,281,982.40-564,579,280.80-261,724,401.60

Finding the Fourth Proportional to 377,281,982.40, 564,579,280.80 and 261,724,401.60

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Solution

The fourth proportional to 377,281,982.40, 564,579,280.80 and 261,724,401.60 is: 391,654,468.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,281,982.40 : 564,579,280.80 = 261,724,401.60 : x
  2. Step 2: Convert to fraction form
    377,281,982.40/564,579,280.80 = 261,724,401.60/x
  3. Step 3: Cross multiply
    377,281,982.40x = 564,579,280.80 × 261,724,401.60
  4. Step 4: Simplify right side
    377,281,982.40x = 147,764,174,423,138,368
  5. Step 5: Solve for x
    x = 147,764,174,423,138,368/377,281,982.40
  6. Step 6: Final answer
    x = 391,654,468.85

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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.