Home / 430,970,715.29-646,456,081.49-103,446,228.45

Finding the Fourth Proportional to 430,970,715.29, 646,456,081.49 and 103,446,228.45

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Solution

The fourth proportional to 430,970,715.29, 646,456,081.49 and 103,446,228.45 is: 155,169,344.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,970,715.29 : 646,456,081.49 = 103,446,228.45 : x
  2. Step 2: Convert to fraction form
    430,970,715.29/646,456,081.49 = 103,446,228.45/x
  3. Step 3: Cross multiply
    430,970,715.29x = 646,456,081.49 × 103,446,228.45
  4. Step 4: Simplify right side
    430,970,715.29x = 66,873,443,487,949,536
  5. Step 5: Solve for x
    x = 66,873,443,487,949,536/430,970,715.29
  6. Step 6: Final answer
    x = 155,169,344.73

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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.