Home / 782,863,999.40-1,174,295,999.10-237,604,658.60

Finding the Fourth Proportional to 782,863,999.40, 1,174,295,999.10 and 237,604,658.60

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Solution

The fourth proportional to 782,863,999.40, 1,174,295,999.10 and 237,604,658.60 is: 356,406,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,863,999.40 : 1,174,295,999.10 = 237,604,658.60 : x
  2. Step 2: Convert to fraction form
    782,863,999.40/1,174,295,999.10 = 237,604,658.60/x
  3. Step 3: Cross multiply
    782,863,999.40x = 1,174,295,999.10 × 237,604,658.60
  4. Step 4: Simplify right side
    782,863,999.40x = 279,018,199,961,501,376
  5. Step 5: Solve for x
    x = 279,018,199,961,501,376/782,863,999.40
  6. Step 6: Final answer
    x = 356,406,987.90

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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.