Home / 1,854,114,545.25-2,781,172,814.78-689,431,700.21

Finding the Fourth Proportional to 1,854,114,545.25, 2,781,172,814.78 and 689,431,700.21

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Solution

The fourth proportional to 1,854,114,545.25, 2,781,172,814.78 and 689,431,700.21 is: 1,034,147,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,114,545.25 : 2,781,172,814.78 = 689,431,700.21 : x
  2. Step 2: Convert to fraction form
    1,854,114,545.25/2,781,172,814.78 = 689,431,700.21/x
  3. Step 3: Cross multiply
    1,854,114,545.25x = 2,781,172,814.78 × 689,431,700.21
  4. Step 4: Simplify right side
    1,854,114,545.25x = 1,917,428,702,259,424,512
  5. Step 5: Solve for x
    x = 1,917,428,702,259,424,512/1,854,114,545.25
  6. Step 6: Final answer
    x = 1,034,147,921.00

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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.