Home / 832,634,363.76-1,149,036,772.44-456,231,138.72

Finding the Fourth Proportional to 832,634,363.76, 1,149,036,772.44 and 456,231,138.72

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Solution

The fourth proportional to 832,634,363.76, 1,149,036,772.44 and 456,231,138.72 is: 629,599,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,634,363.76 : 1,149,036,772.44 = 456,231,138.72 : x
  2. Step 2: Convert to fraction form
    832,634,363.76/1,149,036,772.44 = 456,231,138.72/x
  3. Step 3: Cross multiply
    832,634,363.76x = 1,149,036,772.44 × 456,231,138.72
  4. Step 4: Simplify right side
    832,634,363.76x = 524,226,355,121,454,784
  5. Step 5: Solve for x
    x = 524,226,355,121,454,784/832,634,363.76
  6. Step 6: Final answer
    x = 629,599,711.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.