Home / 1,000,392,397.32-1,380,549,613.94-554,363,210.86

Finding the Fourth Proportional to 1,000,392,397.32, 1,380,549,613.94 and 554,363,210.86

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Solution

The fourth proportional to 1,000,392,397.32, 1,380,549,613.94 and 554,363,210.86 is: 765,025,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,392,397.32 : 1,380,549,613.94 = 554,363,210.86 : x
  2. Step 2: Convert to fraction form
    1,000,392,397.32/1,380,549,613.94 = 554,363,210.86/x
  3. Step 3: Cross multiply
    1,000,392,397.32x = 1,380,549,613.94 × 554,363,210.86
  4. Step 4: Simplify right side
    1,000,392,397.32x = 765,325,916,734,299,648
  5. Step 5: Solve for x
    x = 765,325,916,734,299,648/1,000,392,397.32
  6. Step 6: Final answer
    x = 765,025,722.69

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Double scale
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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.