Home / 1,472,002,068.30-2,208,003,102.45-852,129,285.90

Finding the Fourth Proportional to 1,472,002,068.30, 2,208,003,102.45 and 852,129,285.90

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Solution

The fourth proportional to 1,472,002,068.30, 2,208,003,102.45 and 852,129,285.90 is: 1,278,193,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,002,068.30 : 2,208,003,102.45 = 852,129,285.90 : x
  2. Step 2: Convert to fraction form
    1,472,002,068.30/2,208,003,102.45 = 852,129,285.90/x
  3. Step 3: Cross multiply
    1,472,002,068.30x = 2,208,003,102.45 × 852,129,285.90
  4. Step 4: Simplify right side
    1,472,002,068.30x = 1,881,504,106,955,702,784
  5. Step 5: Solve for x
    x = 1,881,504,106,955,702,784/1,472,002,068.30
  6. Step 6: Final answer
    x = 1,278,193,928.85

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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.