Home / 1,118,326,998.14-1,677,125,402.16-371,142,062.16

Finding the Fourth Proportional to 1,118,326,998.14, 1,677,125,402.16 and 371,142,062.16

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Solution

The fourth proportional to 1,118,326,998.14, 1,677,125,402.16 and 371,142,062.16 is: 556,591,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,326,998.14 : 1,677,125,402.16 = 371,142,062.16 : x
  2. Step 2: Convert to fraction form
    1,118,326,998.14/1,677,125,402.16 = 371,142,062.16/x
  3. Step 3: Cross multiply
    1,118,326,998.14x = 1,677,125,402.16 × 371,142,062.16
  4. Step 4: Simplify right side
    1,118,326,998.14x = 622,451,780,258,581,760
  5. Step 5: Solve for x
    x = 622,451,780,258,581,760/1,118,326,998.14
  6. Step 6: Final answer
    x = 556,591,928.21

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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.