Home / 379,243,475.10-568,634,265.45-148,936,628.70

Finding the Fourth Proportional to 379,243,475.10, 568,634,265.45 and 148,936,628.70

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Solution

The fourth proportional to 379,243,475.10, 568,634,265.45 and 148,936,628.70 is: 223,314,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,243,475.10 : 568,634,265.45 = 148,936,628.70 : x
  2. Step 2: Convert to fraction form
    379,243,475.10/568,634,265.45 = 148,936,628.70/x
  3. Step 3: Cross multiply
    379,243,475.10x = 568,634,265.45 × 148,936,628.70
  4. Step 4: Simplify right side
    379,243,475.10x = 84,690,470,459,423,888
  5. Step 5: Solve for x
    x = 84,690,470,459,423,888/379,243,475.10
  6. Step 6: Final answer
    x = 223,314,245.39

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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.