Home / 995,331,240.80-1,492,996,861.20-878,429,967.20

Finding the Fourth Proportional to 995,331,240.80, 1,492,996,861.20 and 878,429,967.20

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Solution

The fourth proportional to 995,331,240.80, 1,492,996,861.20 and 878,429,967.20 is: 1,317,644,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,331,240.80 : 1,492,996,861.20 = 878,429,967.20 : x
  2. Step 2: Convert to fraction form
    995,331,240.80/1,492,996,861.20 = 878,429,967.20/x
  3. Step 3: Cross multiply
    995,331,240.80x = 1,492,996,861.20 × 878,429,967.20
  4. Step 4: Simplify right side
    995,331,240.80x = 1,311,493,183,813,618,944
  5. Step 5: Solve for x
    x = 1,311,493,183,813,618,944/995,331,240.80
  6. Step 6: Final answer
    x = 1,317,644,950.80

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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.