Home / 1,005,425,999.36-1,508,123,863.38-452,337,850.62

Finding the Fourth Proportional to 1,005,425,999.36, 1,508,123,863.38 and 452,337,850.62

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Solution

The fourth proportional to 1,005,425,999.36, 1,508,123,863.38 and 452,337,850.62 is: 678,499,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,425,999.36 : 1,508,123,863.38 = 452,337,850.62 : x
  2. Step 2: Convert to fraction form
    1,005,425,999.36/1,508,123,863.38 = 452,337,850.62/x
  3. Step 3: Cross multiply
    1,005,425,999.36x = 1,508,123,863.38 × 452,337,850.62
  4. Step 4: Simplify right side
    1,005,425,999.36x = 682,181,506,830,039,808
  5. Step 5: Solve for x
    x = 682,181,506,830,039,808/1,005,425,999.36
  6. Step 6: Final answer
    x = 678,499,966.45

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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.