Home / 378,260,010.40-567,390,015.60-249,013,559.20

Finding the Fourth Proportional to 378,260,010.40, 567,390,015.60 and 249,013,559.20

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Solution

The fourth proportional to 378,260,010.40, 567,390,015.60 and 249,013,559.20 is: 373,520,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,260,010.40 : 567,390,015.60 = 249,013,559.20 : x
  2. Step 2: Convert to fraction form
    378,260,010.40/567,390,015.60 = 249,013,559.20/x
  3. Step 3: Cross multiply
    378,260,010.40x = 567,390,015.60 × 249,013,559.20
  4. Step 4: Simplify right side
    378,260,010.40x = 141,287,807,239,099,520
  5. Step 5: Solve for x
    x = 141,287,807,239,099,520/378,260,010.40
  6. Step 6: Final answer
    x = 373,520,338.80

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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.