Home / 203,573,499,677.80-280,944,188,065.43-112,122,032,314.96

Finding the Fourth Proportional to 203,573,499,677.80, 280,944,188,065.43 and 112,122,032,314.96

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Solution

The fourth proportional to 203,573,499,677.80, 280,944,188,065.43 and 112,122,032,314.96 is: 154,735,431,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,573,499,677.80 : 280,944,188,065.43 = 112,122,032,314.96 : x
  2. Step 2: Convert to fraction form
    203,573,499,677.80/280,944,188,065.43 = 112,122,032,314.96/x
  3. Step 3: Cross multiply
    203,573,499,677.80x = 280,944,188,065.43 × 112,122,032,314.96
  4. Step 4: Simplify right side
    203,573,499,677.80x = 31,500,033,332,972,343,001,088
  5. Step 5: Solve for x
    x = 31,500,033,332,972,343,001,088/203,573,499,677.80
  6. Step 6: Final answer
    x = 154,735,431,590.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.