Home / 763,578,028.10-1,145,359,723.55-452,461,692.33

Finding the Fourth Proportional to 763,578,028.10, 1,145,359,723.55 and 452,461,692.33

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Solution

The fourth proportional to 763,578,028.10, 1,145,359,723.55 and 452,461,692.33 is: 678,688,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,578,028.10 : 1,145,359,723.55 = 452,461,692.33 : x
  2. Step 2: Convert to fraction form
    763,578,028.10/1,145,359,723.55 = 452,461,692.33/x
  3. Step 3: Cross multiply
    763,578,028.10x = 1,145,359,723.55 × 452,461,692.33
  4. Step 4: Simplify right side
    763,578,028.10x = 518,231,398,841,791,680
  5. Step 5: Solve for x
    x = 518,231,398,841,791,680/763,578,028.10
  6. Step 6: Final answer
    x = 678,688,201.83

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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.