Home / 257,746,201.60-386,830,809.60-255,730,662.40

Finding the Fourth Proportional to 257,746,201.60, 386,830,809.60 and 255,730,662.40

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Solution

The fourth proportional to 257,746,201.60, 386,830,809.60 and 255,730,662.40 is: 383,805,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,746,201.60 : 386,830,809.60 = 255,730,662.40 : x
  2. Step 2: Convert to fraction form
    257,746,201.60/386,830,809.60 = 255,730,662.40/x
  3. Step 3: Cross multiply
    257,746,201.60x = 386,830,809.60 × 255,730,662.40
  4. Step 4: Simplify right side
    257,746,201.60x = 98,924,499,175,736,288
  5. Step 5: Solve for x
    x = 98,924,499,175,736,288/257,746,201.60
  6. Step 6: Final answer
    x = 383,805,846.84

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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.