Home / 412,947,485.80-619,421,228.70-238,369,117.30

Finding the Fourth Proportional to 412,947,485.80, 619,421,228.70 and 238,369,117.30

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Solution

The fourth proportional to 412,947,485.80, 619,421,228.70 and 238,369,117.30 is: 357,553,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,947,485.80 : 619,421,228.70 = 238,369,117.30 : x
  2. Step 2: Convert to fraction form
    412,947,485.80/619,421,228.70 = 238,369,117.30/x
  3. Step 3: Cross multiply
    412,947,485.80x = 619,421,228.70 × 238,369,117.30
  4. Step 4: Simplify right side
    412,947,485.80x = 147,650,891,522,100,448
  5. Step 5: Solve for x
    x = 147,650,891,522,100,448/412,947,485.80
  6. Step 6: Final answer
    x = 357,553,675.95

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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.