Home / 394,487,416.10-591,731,124.15-164,621,468.90

Finding the Fourth Proportional to 394,487,416.10, 591,731,124.15 and 164,621,468.90

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Solution

The fourth proportional to 394,487,416.10, 591,731,124.15 and 164,621,468.90 is: 246,932,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,487,416.10 : 591,731,124.15 = 164,621,468.90 : x
  2. Step 2: Convert to fraction form
    394,487,416.10/591,731,124.15 = 164,621,468.90/x
  3. Step 3: Cross multiply
    394,487,416.10x = 591,731,124.15 × 164,621,468.90
  4. Step 4: Simplify right side
    394,487,416.10x = 97,411,646,851,421,264
  5. Step 5: Solve for x
    x = 97,411,646,851,421,264/394,487,416.10
  6. Step 6: Final answer
    x = 246,932,203.35

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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.