Home / 855,123,888.30-1,282,685,832.45-732,679,881.90

Finding the Fourth Proportional to 855,123,888.30, 1,282,685,832.45 and 732,679,881.90

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Solution

The fourth proportional to 855,123,888.30, 1,282,685,832.45 and 732,679,881.90 is: 1,099,019,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,123,888.30 : 1,282,685,832.45 = 732,679,881.90 : x
  2. Step 2: Convert to fraction form
    855,123,888.30/1,282,685,832.45 = 732,679,881.90/x
  3. Step 3: Cross multiply
    855,123,888.30x = 1,282,685,832.45 × 732,679,881.90
  4. Step 4: Simplify right side
    855,123,888.30x = 939,798,104,234,269,184
  5. Step 5: Solve for x
    x = 939,798,104,234,269,184/855,123,888.30
  6. Step 6: Final answer
    x = 1,099,019,822.85

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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.