Home / 1,317,750,774.94-1,976,776,153.62-477,789,084.64

Finding the Fourth Proportional to 1,317,750,774.94, 1,976,776,153.62 and 477,789,084.64

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Solution

The fourth proportional to 1,317,750,774.94, 1,976,776,153.62 and 477,789,084.64 is: 716,738,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,750,774.94 : 1,976,776,153.62 = 477,789,084.64 : x
  2. Step 2: Convert to fraction form
    1,317,750,774.94/1,976,776,153.62 = 477,789,084.64/x
  3. Step 3: Cross multiply
    1,317,750,774.94x = 1,976,776,153.62 × 477,789,084.64
  4. Step 4: Simplify right side
    1,317,750,774.94x = 944,482,068,976,279,680
  5. Step 5: Solve for x
    x = 944,482,068,976,279,680/1,317,750,774.94
  6. Step 6: Final answer
    x = 716,738,010.66

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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.