Home / 782,406,400.80-1,173,609,601.20-352,424,704.80

Finding the Fourth Proportional to 782,406,400.80, 1,173,609,601.20 and 352,424,704.80

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Solution

The fourth proportional to 782,406,400.80, 1,173,609,601.20 and 352,424,704.80 is: 528,637,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,406,400.80 : 1,173,609,601.20 = 352,424,704.80 : x
  2. Step 2: Convert to fraction form
    782,406,400.80/1,173,609,601.20 = 352,424,704.80/x
  3. Step 3: Cross multiply
    782,406,400.80x = 1,173,609,601.20 × 352,424,704.80
  4. Step 4: Simplify right side
    782,406,400.80x = 413,609,017,253,355,776
  5. Step 5: Solve for x
    x = 413,609,017,253,355,776/782,406,400.80
  6. Step 6: Final answer
    x = 528,637,057.20

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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.