Home / 354,519,496.98-489,318,535.17-207,889,020.18

Finding the Fourth Proportional to 354,519,496.98, 489,318,535.17 and 207,889,020.18

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Solution

The fourth proportional to 354,519,496.98, 489,318,535.17 and 207,889,020.18 is: 286,934,715.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,519,496.98 : 489,318,535.17 = 207,889,020.18 : x
  2. Step 2: Convert to fraction form
    354,519,496.98/489,318,535.17 = 207,889,020.18/x
  3. Step 3: Cross multiply
    354,519,496.98x = 489,318,535.17 × 207,889,020.18
  4. Step 4: Simplify right side
    354,519,496.98x = 101,723,950,832,404,176
  5. Step 5: Solve for x
    x = 101,723,950,832,404,176/354,519,496.98
  6. Step 6: Final answer
    x = 286,934,715.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.