Home / 970,360,856.20-1,455,541,284.30-865,552,817.80

Finding the Fourth Proportional to 970,360,856.20, 1,455,541,284.30 and 865,552,817.80

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Solution

The fourth proportional to 970,360,856.20, 1,455,541,284.30 and 865,552,817.80 is: 1,298,329,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,360,856.20 : 1,455,541,284.30 = 865,552,817.80 : x
  2. Step 2: Convert to fraction form
    970,360,856.20/1,455,541,284.30 = 865,552,817.80/x
  3. Step 3: Cross multiply
    970,360,856.20x = 1,455,541,284.30 × 865,552,817.80
  4. Step 4: Simplify right side
    970,360,856.20x = 1,259,847,860,050,095,872
  5. Step 5: Solve for x
    x = 1,259,847,860,050,095,872/970,360,856.20
  6. Step 6: Final answer
    x = 1,298,329,226.70

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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.