Home / 412,928,543.39-619,376,017.03-102,028,329.83

Finding the Fourth Proportional to 412,928,543.39, 619,376,017.03 and 102,028,329.83

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Solution

The fourth proportional to 412,928,543.39, 619,376,017.03 and 102,028,329.83 is: 153,038,344.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,928,543.39 : 619,376,017.03 = 102,028,329.83 : x
  2. Step 2: Convert to fraction form
    412,928,543.39/619,376,017.03 = 102,028,329.83/x
  3. Step 3: Cross multiply
    412,928,543.39x = 619,376,017.03 × 102,028,329.83
  4. Step 4: Simplify right side
    412,928,543.39x = 63,193,900,555,621,904
  5. Step 5: Solve for x
    x = 63,193,900,555,621,904/412,928,543.39
  6. Step 6: Final answer
    x = 153,038,344.21

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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.