Home / 722,307,901.52-996,846,378.36-409,097,834.48

Finding the Fourth Proportional to 722,307,901.52, 996,846,378.36 and 409,097,834.48

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Solution

The fourth proportional to 722,307,901.52, 996,846,378.36 and 409,097,834.48 is: 564,589,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,307,901.52 : 996,846,378.36 = 409,097,834.48 : x
  2. Step 2: Convert to fraction form
    722,307,901.52/996,846,378.36 = 409,097,834.48/x
  3. Step 3: Cross multiply
    722,307,901.52x = 996,846,378.36 × 409,097,834.48
  4. Step 4: Simplify right side
    722,307,901.52x = 407,807,694,696,306,752
  5. Step 5: Solve for x
    x = 407,807,694,696,306,752/722,307,901.52
  6. Step 6: Final answer
    x = 564,589,829.13

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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.