Home / 895,086,279.64-1,235,055,091.62-498,599,402.32

Finding the Fourth Proportional to 895,086,279.64, 1,235,055,091.62 and 498,599,402.32

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Solution

The fourth proportional to 895,086,279.64, 1,235,055,091.62 and 498,599,402.32 is: 687,975,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,086,279.64 : 1,235,055,091.62 = 498,599,402.32 : x
  2. Step 2: Convert to fraction form
    895,086,279.64/1,235,055,091.62 = 498,599,402.32/x
  3. Step 3: Cross multiply
    895,086,279.64x = 1,235,055,091.62 × 498,599,402.32
  4. Step 4: Simplify right side
    895,086,279.64x = 615,797,730,514,004,736
  5. Step 5: Solve for x
    x = 615,797,730,514,004,736/895,086,279.64
  6. Step 6: Final answer
    x = 687,975,834.87

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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.