Home / 354,328,130.60-531,492,195.90-318,615,295.40

Finding the Fourth Proportional to 354,328,130.60, 531,492,195.90 and 318,615,295.40

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Solution

The fourth proportional to 354,328,130.60, 531,492,195.90 and 318,615,295.40 is: 477,922,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,328,130.60 : 531,492,195.90 = 318,615,295.40 : x
  2. Step 2: Convert to fraction form
    354,328,130.60/531,492,195.90 = 318,615,295.40/x
  3. Step 3: Cross multiply
    354,328,130.60x = 531,492,195.90 × 318,615,295.40
  4. Step 4: Simplify right side
    354,328,130.60x = 169,341,542,999,473,152
  5. Step 5: Solve for x
    x = 169,341,542,999,473,152/354,328,130.60
  6. Step 6: Final answer
    x = 477,922,943.10

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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.