Home / 434,803,329.52-652,265,557.78-139,707,329.82

Finding the Fourth Proportional to 434,803,329.52, 652,265,557.78 and 139,707,329.82

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Solution

The fourth proportional to 434,803,329.52, 652,265,557.78 and 139,707,329.82 is: 209,580,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,803,329.52 : 652,265,557.78 = 139,707,329.82 : x
  2. Step 2: Convert to fraction form
    434,803,329.52/652,265,557.78 = 139,707,329.82/x
  3. Step 3: Cross multiply
    434,803,329.52x = 652,265,557.78 × 139,707,329.82
  4. Step 4: Simplify right side
    434,803,329.52x = 91,126,279,410,996,720
  5. Step 5: Solve for x
    x = 91,126,279,410,996,720/434,803,329.52
  6. Step 6: Final answer
    x = 209,580,454.48

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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.