Home / 885,736,007.70-1,328,604,011.55-272,240,517.30

Finding the Fourth Proportional to 885,736,007.70, 1,328,604,011.55 and 272,240,517.30

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Solution

The fourth proportional to 885,736,007.70, 1,328,604,011.55 and 272,240,517.30 is: 408,360,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,007.70 : 1,328,604,011.55 = 272,240,517.30 : x
  2. Step 2: Convert to fraction form
    885,736,007.70/1,328,604,011.55 = 272,240,517.30/x
  3. Step 3: Cross multiply
    885,736,007.70x = 1,328,604,011.55 × 272,240,517.30
  4. Step 4: Simplify right side
    885,736,007.70x = 361,699,843,391,227,200
  5. Step 5: Solve for x
    x = 361,699,843,391,227,200/885,736,007.70
  6. Step 6: Final answer
    x = 408,360,775.95

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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.