Home / 354,328,179.60-531,492,269.40-318,615,344.40

Finding the Fourth Proportional to 354,328,179.60, 531,492,269.40 and 318,615,344.40

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Solution

The fourth proportional to 354,328,179.60, 531,492,269.40 and 318,615,344.40 is: 477,923,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,328,179.60 : 531,492,269.40 = 318,615,344.40 : x
  2. Step 2: Convert to fraction form
    354,328,179.60/531,492,269.40 = 318,615,344.40/x
  3. Step 3: Cross multiply
    354,328,179.60x = 531,492,269.40 × 318,615,344.40
  4. Step 4: Simplify right side
    354,328,179.60x = 169,341,592,460,818,560
  5. Step 5: Solve for x
    x = 169,341,592,460,818,560/354,328,179.60
  6. Step 6: Final answer
    x = 477,923,016.60

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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.