Home / 340,287,446.80-511,047,029.40-297,961,123.60

Finding the Fourth Proportional to 340,287,446.80, 511,047,029.40 and 297,961,123.60

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Solution

The fourth proportional to 340,287,446.80, 511,047,029.40 and 297,961,123.60 is: 447,480,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,287,446.80 : 511,047,029.40 = 297,961,123.60 : x
  2. Step 2: Convert to fraction form
    340,287,446.80/511,047,029.40 = 297,961,123.60/x
  3. Step 3: Cross multiply
    340,287,446.80x = 511,047,029.40 × 297,961,123.60
  4. Step 4: Simplify right side
    340,287,446.80x = 152,272,147,092,466,240
  5. Step 5: Solve for x
    x = 152,272,147,092,466,240/340,287,446.80
  6. Step 6: Final answer
    x = 447,480,941.55

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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.