Home / 514,475,333.27-709,982,417.12-279,529,917.38

Finding the Fourth Proportional to 514,475,333.27, 709,982,417.12 and 279,529,917.38

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Solution

The fourth proportional to 514,475,333.27, 709,982,417.12 and 279,529,917.38 is: 385,754,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,475,333.27 : 709,982,417.12 = 279,529,917.38 : x
  2. Step 2: Convert to fraction form
    514,475,333.27/709,982,417.12 = 279,529,917.38/x
  3. Step 3: Cross multiply
    514,475,333.27x = 709,982,417.12 × 279,529,917.38
  4. Step 4: Simplify right side
    514,475,333.27x = 198,461,326,393,858,752
  5. Step 5: Solve for x
    x = 198,461,326,393,858,752/514,475,333.27
  6. Step 6: Final answer
    x = 385,754,794.37

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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.