Home / 235,986,413,612.80-353,979,620,419.20-208,712,011,187.20

Finding the Fourth Proportional to 235,986,413,612.80, 353,979,620,419.20 and 208,712,011,187.20

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Solution

The fourth proportional to 235,986,413,612.80, 353,979,620,419.20 and 208,712,011,187.20 is: 313,068,016,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,986,413,612.80 : 353,979,620,419.20 = 208,712,011,187.20 : x
  2. Step 2: Convert to fraction form
    235,986,413,612.80/353,979,620,419.20 = 208,712,011,187.20/x
  3. Step 3: Cross multiply
    235,986,413,612.80x = 353,979,620,419.20 × 208,712,011,187.20
  4. Step 4: Simplify right side
    235,986,413,612.80x = 73,879,798,496,972,884,672,512
  5. Step 5: Solve for x
    x = 73,879,798,496,972,884,672,512/235,986,413,612.80
  6. Step 6: Final answer
    x = 313,068,016,780.80

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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.