Home / 497,663,999.40-746,495,999.10-479,524,146.60

Finding the Fourth Proportional to 497,663,999.40, 746,495,999.10 and 479,524,146.60

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Solution

The fourth proportional to 497,663,999.40, 746,495,999.10 and 479,524,146.60 is: 719,286,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,663,999.40 : 746,495,999.10 = 479,524,146.60 : x
  2. Step 2: Convert to fraction form
    497,663,999.40/746,495,999.10 = 479,524,146.60/x
  3. Step 3: Cross multiply
    497,663,999.40x = 746,495,999.10 × 479,524,146.60
  4. Step 4: Simplify right side
    497,663,999.40x = 357,962,856,908,741,888
  5. Step 5: Solve for x
    x = 357,962,856,908,741,888/497,663,999.40
  6. Step 6: Final answer
    x = 719,286,219.90

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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.