Home / 785,376,001.90-1,178,064,002.85-267,634,369.90

Finding the Fourth Proportional to 785,376,001.90, 1,178,064,002.85 and 267,634,369.90

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Solution

The fourth proportional to 785,376,001.90, 1,178,064,002.85 and 267,634,369.90 is: 401,451,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,376,001.90 : 1,178,064,002.85 = 267,634,369.90 : x
  2. Step 2: Convert to fraction form
    785,376,001.90/1,178,064,002.85 = 267,634,369.90/x
  3. Step 3: Cross multiply
    785,376,001.90x = 1,178,064,002.85 × 267,634,369.90
  4. Step 4: Simplify right side
    785,376,001.90x = 315,290,417,104,631,552
  5. Step 5: Solve for x
    x = 315,290,417,104,631,552/785,376,001.90
  6. Step 6: Final answer
    x = 401,451,554.85

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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.