Home / 856,133,246.70-1,181,391,721.11-474,665,460.66

Finding the Fourth Proportional to 856,133,246.70, 1,181,391,721.11 and 474,665,460.66

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Solution

The fourth proportional to 856,133,246.70, 1,181,391,721.11 and 474,665,460.66 is: 654,998,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,133,246.70 : 1,181,391,721.11 = 474,665,460.66 : x
  2. Step 2: Convert to fraction form
    856,133,246.70/1,181,391,721.11 = 474,665,460.66/x
  3. Step 3: Cross multiply
    856,133,246.70x = 1,181,391,721.11 × 474,665,460.66
  4. Step 4: Simplify right side
    856,133,246.70x = 560,765,845,520,588,352
  5. Step 5: Solve for x
    x = 560,765,845,520,588,352/856,133,246.70
  6. Step 6: Final answer
    x = 654,998,328.45

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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.