Home / 502,014,379.40-753,021,569.10-178,781,611.40

Finding the Fourth Proportional to 502,014,379.40, 753,021,569.10 and 178,781,611.40

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Solution

The fourth proportional to 502,014,379.40, 753,021,569.10 and 178,781,611.40 is: 268,172,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,014,379.40 : 753,021,569.10 = 178,781,611.40 : x
  2. Step 2: Convert to fraction form
    502,014,379.40/753,021,569.10 = 178,781,611.40/x
  3. Step 3: Cross multiply
    502,014,379.40x = 753,021,569.10 × 178,781,611.40
  4. Step 4: Simplify right side
    502,014,379.40x = 134,626,409,542,654,464
  5. Step 5: Solve for x
    x = 134,626,409,542,654,464/502,014,379.40
  6. Step 6: Final answer
    x = 268,172,417.10

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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.