Home / 543,782,248.02-750,393,422.73-308,801,870.10

Finding the Fourth Proportional to 543,782,248.02, 750,393,422.73 and 308,801,870.10

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Solution

The fourth proportional to 543,782,248.02, 750,393,422.73 and 308,801,870.10 is: 426,131,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,782,248.02 : 750,393,422.73 = 308,801,870.10 : x
  2. Step 2: Convert to fraction form
    543,782,248.02/750,393,422.73 = 308,801,870.10/x
  3. Step 3: Cross multiply
    543,782,248.02x = 750,393,422.73 × 308,801,870.10
  4. Step 4: Simplify right side
    543,782,248.02x = 231,722,892,249,763,872
  5. Step 5: Solve for x
    x = 231,722,892,249,763,872/543,782,248.02
  6. Step 6: Final answer
    x = 426,131,770.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.