Home / 859,626,335.28-1,186,288,360-488,368,738.56

Finding the Fourth Proportional to 859,626,335.28, 1,186,288,360 and 488,368,738.56

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Solution

The fourth proportional to 859,626,335.28, 1,186,288,360 and 488,368,738.56 is: 673,951,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,626,335.28 : 1,186,288,360 = 488,368,738.56 : x
  2. Step 2: Convert to fraction form
    859,626,335.28/1,186,288,360 = 488,368,738.56/x
  3. Step 3: Cross multiply
    859,626,335.28x = 1,186,288,360 × 488,368,738.56
  4. Step 4: Simplify right side
    859,626,335.28x = 579,346,149,941,611,136
  5. Step 5: Solve for x
    x = 579,346,149,941,611,136/859,626,335.28
  6. Step 6: Final answer
    x = 673,951,141.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.