Home / 782,298,051.20-1,173,447,076.80-322,083,267.20

Finding the Fourth Proportional to 782,298,051.20, 1,173,447,076.80 and 322,083,267.20

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Solution

The fourth proportional to 782,298,051.20, 1,173,447,076.80 and 322,083,267.20 is: 483,124,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,298,051.20 : 1,173,447,076.80 = 322,083,267.20 : x
  2. Step 2: Convert to fraction form
    782,298,051.20/1,173,447,076.80 = 322,083,267.20/x
  3. Step 3: Cross multiply
    782,298,051.20x = 1,173,447,076.80 × 322,083,267.20
  4. Step 4: Simplify right side
    782,298,051.20x = 377,947,668,382,033,280
  5. Step 5: Solve for x
    x = 377,947,668,382,033,280/782,298,051.20
  6. Step 6: Final answer
    x = 483,124,900.80

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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.