Home / 908,541,763.74-1,362,812,490.09-287,193,173.82

Finding the Fourth Proportional to 908,541,763.74, 1,362,812,490.09 and 287,193,173.82

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Solution

The fourth proportional to 908,541,763.74, 1,362,812,490.09 and 287,193,173.82 is: 430,789,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,541,763.74 : 1,362,812,490.09 = 287,193,173.82 : x
  2. Step 2: Convert to fraction form
    908,541,763.74/1,362,812,490.09 = 287,193,173.82/x
  3. Step 3: Cross multiply
    908,541,763.74x = 1,362,812,490.09 × 287,193,173.82
  4. Step 4: Simplify right side
    908,541,763.74x = 391,390,444,350,484,352
  5. Step 5: Solve for x
    x = 391,390,444,350,484,352/908,541,763.74
  6. Step 6: Final answer
    x = 430,789,711.57

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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.