Home / 1,251,925,281.80-1,877,887,922.70-786,335,726.60

Finding the Fourth Proportional to 1,251,925,281.80, 1,877,887,922.70 and 786,335,726.60

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Solution

The fourth proportional to 1,251,925,281.80, 1,877,887,922.70 and 786,335,726.60 is: 1,179,503,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,925,281.80 : 1,877,887,922.70 = 786,335,726.60 : x
  2. Step 2: Convert to fraction form
    1,251,925,281.80/1,877,887,922.70 = 786,335,726.60/x
  3. Step 3: Cross multiply
    1,251,925,281.80x = 1,877,887,922.70 × 786,335,726.60
  4. Step 4: Simplify right side
    1,251,925,281.80x = 1,476,650,364,169,669,120
  5. Step 5: Solve for x
    x = 1,476,650,364,169,669,120/1,251,925,281.80
  6. Step 6: Final answer
    x = 1,179,503,589.90

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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.