Home / 1,187,606,090.15-1,782,259,440.83-498,008,248.55

Finding the Fourth Proportional to 1,187,606,090.15, 1,782,259,440.83 and 498,008,248.55

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Solution

The fourth proportional to 1,187,606,090.15, 1,782,259,440.83 and 498,008,248.55 is: 747,368,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,606,090.15 : 1,782,259,440.83 = 498,008,248.55 : x
  2. Step 2: Convert to fraction form
    1,187,606,090.15/1,782,259,440.83 = 498,008,248.55/x
  3. Step 3: Cross multiply
    1,187,606,090.15x = 1,782,259,440.83 × 498,008,248.55
  4. Step 4: Simplify right side
    1,187,606,090.15x = 887,579,902,586,960,640
  5. Step 5: Solve for x
    x = 887,579,902,586,960,640/1,187,606,090.15
  6. Step 6: Final answer
    x = 747,368,938.19

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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.