Home / 472,355,759.40-708,485,800.23-127,344,262.20

Finding the Fourth Proportional to 472,355,759.40, 708,485,800.23 and 127,344,262.20

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Solution

The fourth proportional to 472,355,759.40, 708,485,800.23 and 127,344,262.20 is: 191,003,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,355,759.40 : 708,485,800.23 = 127,344,262.20 : x
  2. Step 2: Convert to fraction form
    472,355,759.40/708,485,800.23 = 127,344,262.20/x
  3. Step 3: Cross multiply
    472,355,759.40x = 708,485,800.23 × 127,344,262.20
  4. Step 4: Simplify right side
    472,355,759.40x = 90,221,601,509,465,952
  5. Step 5: Solve for x
    x = 90,221,601,509,465,952/472,355,759.40
  6. Step 6: Final answer
    x = 191,003,496.23

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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.