Home / 769,859,999.60-1,154,779,501.80-252,307,324.40

Finding the Fourth Proportional to 769,859,999.60, 1,154,779,501.80 and 252,307,324.40

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Solution

The fourth proportional to 769,859,999.60, 1,154,779,501.80 and 252,307,324.40 is: 378,457,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,859,999.60 : 1,154,779,501.80 = 252,307,324.40 : x
  2. Step 2: Convert to fraction form
    769,859,999.60/1,154,779,501.80 = 252,307,324.40/x
  3. Step 3: Cross multiply
    769,859,999.60x = 1,154,779,501.80 × 252,307,324.40
  4. Step 4: Simplify right side
    769,859,999.60x = 291,359,326,371,123,008
  5. Step 5: Solve for x
    x = 291,359,326,371,123,008/769,859,999.60
  6. Step 6: Final answer
    x = 378,457,546.21

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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.