Home / 782,701,483.13-1,171,497,100.64-575,385,020.42

Finding the Fourth Proportional to 782,701,483.13, 1,171,497,100.64 and 575,385,020.42

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Solution

The fourth proportional to 782,701,483.13, 1,171,497,100.64 and 575,385,020.42 is: 861,199,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,701,483.13 : 1,171,497,100.64 = 575,385,020.42 : x
  2. Step 2: Convert to fraction form
    782,701,483.13/1,171,497,100.64 = 575,385,020.42/x
  3. Step 3: Cross multiply
    782,701,483.13x = 1,171,497,100.64 × 575,385,020.42
  4. Step 4: Simplify right side
    782,701,483.13x = 674,061,883,178,084,352
  5. Step 5: Solve for x
    x = 674,061,883,178,084,352/782,701,483.13
  6. Step 6: Final answer
    x = 861,199,189.87

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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.