Home / 1,165,592,872.14-1,608,609,856.59-663,822,871.98

Finding the Fourth Proportional to 1,165,592,872.14, 1,608,609,856.59 and 663,822,871.98

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Solution

The fourth proportional to 1,165,592,872.14, 1,608,609,856.59 and 663,822,871.98 is: 916,127,783.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,592,872.14 : 1,608,609,856.59 = 663,822,871.98 : x
  2. Step 2: Convert to fraction form
    1,165,592,872.14/1,608,609,856.59 = 663,822,871.98/x
  3. Step 3: Cross multiply
    1,165,592,872.14x = 1,608,609,856.59 × 663,822,871.98
  4. Step 4: Simplify right side
    1,165,592,872.14x = 1,067,832,014,896,909,696
  5. Step 5: Solve for x
    x = 1,067,832,014,896,909,696/1,165,592,872.14
  6. Step 6: Final answer
    x = 916,127,783.91

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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.