Home / 1,566,725,544.12-2,162,013,084.72-861,832,830.54

Finding the Fourth Proportional to 1,566,725,544.12, 2,162,013,084.72 and 861,832,830.54

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Solution

The fourth proportional to 1,566,725,544.12, 2,162,013,084.72 and 861,832,830.54 is: 1,189,291,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,725,544.12 : 2,162,013,084.72 = 861,832,830.54 : x
  2. Step 2: Convert to fraction form
    1,566,725,544.12/2,162,013,084.72 = 861,832,830.54/x
  3. Step 3: Cross multiply
    1,566,725,544.12x = 2,162,013,084.72 × 861,832,830.54
  4. Step 4: Simplify right side
    1,566,725,544.12x = 1,863,293,856,468,754,176
  5. Step 5: Solve for x
    x = 1,863,293,856,468,754,176/1,566,725,544.12
  6. Step 6: Final answer
    x = 1,189,291,808.93

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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.