Home / 649,034,870.15-895,671,239.56-351,677,034.36

Finding the Fourth Proportional to 649,034,870.15, 895,671,239.56 and 351,677,034.36

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Solution

The fourth proportional to 649,034,870.15, 895,671,239.56 and 351,677,034.36 is: 485,315,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,034,870.15 : 895,671,239.56 = 351,677,034.36 : x
  2. Step 2: Convert to fraction form
    649,034,870.15/895,671,239.56 = 351,677,034.36/x
  3. Step 3: Cross multiply
    649,034,870.15x = 895,671,239.56 × 351,677,034.36
  4. Step 4: Simplify right side
    649,034,870.15x = 314,987,005,289,126,720
  5. Step 5: Solve for x
    x = 314,987,005,289,126,720/649,034,870.15
  6. Step 6: Final answer
    x = 485,315,997.30

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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.