Home / 673,731,000.90-1,008,895,890.15-442,447,877.70

Finding the Fourth Proportional to 673,731,000.90, 1,008,895,890.15 and 442,447,877.70

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Solution

The fourth proportional to 673,731,000.90, 1,008,895,890.15 and 442,447,877.70 is: 662,555,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,731,000.90 : 1,008,895,890.15 = 442,447,877.70 : x
  2. Step 2: Convert to fraction form
    673,731,000.90/1,008,895,890.15 = 442,447,877.70/x
  3. Step 3: Cross multiply
    673,731,000.90x = 1,008,895,890.15 × 442,447,877.70
  4. Step 4: Simplify right side
    673,731,000.90x = 446,383,845,417,119,808
  5. Step 5: Solve for x
    x = 446,383,845,417,119,808/673,731,000.90
  6. Step 6: Final answer
    x = 662,555,003.14

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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.