Home / 316,957,389.60-475,436,084.40-289,747,610.40

Finding the Fourth Proportional to 316,957,389.60, 475,436,084.40 and 289,747,610.40

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Solution

The fourth proportional to 316,957,389.60, 475,436,084.40 and 289,747,610.40 is: 434,621,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,957,389.60 : 475,436,084.40 = 289,747,610.40 : x
  2. Step 2: Convert to fraction form
    316,957,389.60/475,436,084.40 = 289,747,610.40/x
  3. Step 3: Cross multiply
    316,957,389.60x = 475,436,084.40 × 289,747,610.40
  4. Step 4: Simplify right side
    316,957,389.60x = 137,756,469,352,832,704
  5. Step 5: Solve for x
    x = 137,756,469,352,832,704/316,957,389.60
  6. Step 6: Final answer
    x = 434,621,415.60

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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.