Home / 83,489,385,655.20-125,234,078,482.80-28,344,233,143.20

Finding the Fourth Proportional to 83,489,385,655.20, 125,234,078,482.80 and 28,344,233,143.20

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Solution

The fourth proportional to 83,489,385,655.20, 125,234,078,482.80 and 28,344,233,143.20 is: 42,516,349,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,489,385,655.20 : 125,234,078,482.80 = 28,344,233,143.20 : x
  2. Step 2: Convert to fraction form
    83,489,385,655.20/125,234,078,482.80 = 28,344,233,143.20/x
  3. Step 3: Cross multiply
    83,489,385,655.20x = 125,234,078,482.80 × 28,344,233,143.20
  4. Step 4: Simplify right side
    83,489,385,655.20x = 3,549,663,917,990,290,128,896
  5. Step 5: Solve for x
    x = 3,549,663,917,990,290,128,896/83,489,385,655.20
  6. Step 6: Final answer
    x = 42,516,349,714.80

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Double scale
Find fourth proportional to 83,489,385,656.20, 125,234,078,484.30 and 28,344,233,144.20
Similar ratio
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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.