Home / 354,578,675.18-531,444,862.28-165,029,727.31

Finding the Fourth Proportional to 354,578,675.18, 531,444,862.28 and 165,029,727.31

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Solution

The fourth proportional to 354,578,675.18, 531,444,862.28 and 165,029,727.31 is: 247,347,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,578,675.18 : 531,444,862.28 = 165,029,727.31 : x
  2. Step 2: Convert to fraction form
    354,578,675.18/531,444,862.28 = 165,029,727.31/x
  3. Step 3: Cross multiply
    354,578,675.18x = 531,444,862.28 × 165,029,727.31
  4. Step 4: Simplify right side
    354,578,675.18x = 87,704,200,702,368,896
  5. Step 5: Solve for x
    x = 87,704,200,702,368,896/354,578,675.18
  6. Step 6: Final answer
    x = 247,347,646.21

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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.