Home / 517,786,286.10-776,679,429.15-314,606,663.70

Finding the Fourth Proportional to 517,786,286.10, 776,679,429.15 and 314,606,663.70

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Solution

The fourth proportional to 517,786,286.10, 776,679,429.15 and 314,606,663.70 is: 471,909,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,786,286.10 : 776,679,429.15 = 314,606,663.70 : x
  2. Step 2: Convert to fraction form
    517,786,286.10/776,679,429.15 = 314,606,663.70/x
  3. Step 3: Cross multiply
    517,786,286.10x = 776,679,429.15 × 314,606,663.70
  4. Step 4: Simplify right side
    517,786,286.10x = 244,348,523,969,302,016
  5. Step 5: Solve for x
    x = 244,348,523,969,302,016/517,786,286.10
  6. Step 6: Final answer
    x = 471,909,995.55

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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.