Home / 354,328,201.60-531,492,302.40-318,615,366.40

Finding the Fourth Proportional to 354,328,201.60, 531,492,302.40 and 318,615,366.40

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Solution

The fourth proportional to 354,328,201.60, 531,492,302.40 and 318,615,366.40 is: 477,923,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,328,201.60 : 531,492,302.40 = 318,615,366.40 : x
  2. Step 2: Convert to fraction form
    354,328,201.60/531,492,302.40 = 318,615,366.40/x
  3. Step 3: Cross multiply
    354,328,201.60x = 531,492,302.40 × 318,615,366.40
  4. Step 4: Simplify right side
    354,328,201.60x = 169,341,614,667,955,584
  5. Step 5: Solve for x
    x = 169,341,614,667,955,584/354,328,201.60
  6. Step 6: Final answer
    x = 477,923,049.60

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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.