Home / 254,967,331.20-382,450,996.80-163,134,326.40

Finding the Fourth Proportional to 254,967,331.20, 382,450,996.80 and 163,134,326.40

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Solution

The fourth proportional to 254,967,331.20, 382,450,996.80 and 163,134,326.40 is: 244,701,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,967,331.20 : 382,450,996.80 = 163,134,326.40 : x
  2. Step 2: Convert to fraction form
    254,967,331.20/382,450,996.80 = 163,134,326.40/x
  3. Step 3: Cross multiply
    254,967,331.20x = 382,450,996.80 × 163,134,326.40
  4. Step 4: Simplify right side
    254,967,331.20x = 62,390,885,743,976,560
  5. Step 5: Solve for x
    x = 62,390,885,743,976,560/254,967,331.20
  6. Step 6: Final answer
    x = 244,701,489.60

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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.