Home / 1,509,857,307.59-2,082,529,778.85-1,007,812,966.50

Finding the Fourth Proportional to 1,509,857,307.59, 2,082,529,778.85 and 1,007,812,966.50

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Solution

The fourth proportional to 1,509,857,307.59, 2,082,529,778.85 and 1,007,812,966.50 is: 1,390,065,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,857,307.59 : 2,082,529,778.85 = 1,007,812,966.50 : x
  2. Step 2: Convert to fraction form
    1,509,857,307.59/2,082,529,778.85 = 1,007,812,966.50/x
  3. Step 3: Cross multiply
    1,509,857,307.59x = 2,082,529,778.85 × 1,007,812,966.50
  4. Step 4: Simplify right side
    1,509,857,307.59x = 2,098,800,514,247,407,360
  5. Step 5: Solve for x
    x = 2,098,800,514,247,407,360/1,509,857,307.59
  6. Step 6: Final answer
    x = 1,390,065,474.20

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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.