Home / 260,960,000.80-391,440,001.20-174,963,661.60

Finding the Fourth Proportional to 260,960,000.80, 391,440,001.20 and 174,963,661.60

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Solution

The fourth proportional to 260,960,000.80, 391,440,001.20 and 174,963,661.60 is: 262,445,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,960,000.80 : 391,440,001.20 = 174,963,661.60 : x
  2. Step 2: Convert to fraction form
    260,960,000.80/391,440,001.20 = 174,963,661.60/x
  3. Step 3: Cross multiply
    260,960,000.80x = 391,440,001.20 × 174,963,661.60
  4. Step 4: Simplify right side
    260,960,000.80x = 68,487,775,906,660,392
  5. Step 5: Solve for x
    x = 68,487,775,906,660,392/260,960,000.80
  6. Step 6: Final answer
    x = 262,445,492.40

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1.5x scale

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.