Home / 262,657,999.40-393,986,999.10-176,661,660.20

Finding the Fourth Proportional to 262,657,999.40, 393,986,999.10 and 176,661,660.20

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Solution

The fourth proportional to 262,657,999.40, 393,986,999.10 and 176,661,660.20 is: 264,992,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,657,999.40 : 393,986,999.10 = 176,661,660.20 : x
  2. Step 2: Convert to fraction form
    262,657,999.40/393,986,999.10 = 176,661,660.20/x
  3. Step 3: Cross multiply
    262,657,999.40x = 393,986,999.10 × 176,661,660.20
  4. Step 4: Simplify right side
    262,657,999.40x = 69,602,397,358,221,904
  5. Step 5: Solve for x
    x = 69,602,397,358,221,904/262,657,999.40
  6. Step 6: Final answer
    x = 264,992,490.30

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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.