Home / 1,005,426,007.11-1,508,123,875.01-452,337,858.36

Finding the Fourth Proportional to 1,005,426,007.11, 1,508,123,875.01 and 452,337,858.36

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Solution

The fourth proportional to 1,005,426,007.11, 1,508,123,875.01 and 452,337,858.36 is: 678,499,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,426,007.11 : 1,508,123,875.01 = 452,337,858.36 : x
  2. Step 2: Convert to fraction form
    1,005,426,007.11/1,508,123,875.01 = 452,337,858.36/x
  3. Step 3: Cross multiply
    1,005,426,007.11x = 1,508,123,875.01 × 452,337,858.36
  4. Step 4: Simplify right side
    1,005,426,007.11x = 682,181,523,761,346,048
  5. Step 5: Solve for x
    x = 682,181,523,761,346,048/1,005,426,007.11
  6. Step 6: Final answer
    x = 678,499,978.06

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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.