Home / 995,328,009.70-1,492,992,014.55-859,167,139.30

Finding the Fourth Proportional to 995,328,009.70, 1,492,992,014.55 and 859,167,139.30

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Solution

The fourth proportional to 995,328,009.70, 1,492,992,014.55 and 859,167,139.30 is: 1,288,750,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,009.70 : 1,492,992,014.55 = 859,167,139.30 : x
  2. Step 2: Convert to fraction form
    995,328,009.70/1,492,992,014.55 = 859,167,139.30/x
  3. Step 3: Cross multiply
    995,328,009.70x = 1,492,992,014.55 × 859,167,139.30
  4. Step 4: Simplify right side
    995,328,009.70x = 1,282,729,678,138,667,264
  5. Step 5: Solve for x
    x = 1,282,729,678,138,667,264/995,328,009.70
  6. Step 6: Final answer
    x = 1,288,750,708.95

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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.