Home / 9,780,502,238.40-14,670,753,357.60-8,719,320,849.60

Finding the Fourth Proportional to 9,780,502,238.40, 14,670,753,357.60 and 8,719,320,849.60

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Solution

The fourth proportional to 9,780,502,238.40, 14,670,753,357.60 and 8,719,320,849.60 is: 13,078,981,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780,502,238.40 : 14,670,753,357.60 = 8,719,320,849.60 : x
  2. Step 2: Convert to fraction form
    9,780,502,238.40/14,670,753,357.60 = 8,719,320,849.60/x
  3. Step 3: Cross multiply
    9,780,502,238.40x = 14,670,753,357.60 × 8,719,320,849.60
  4. Step 4: Simplify right side
    9,780,502,238.40x = 127,919,005,630,260,887,552
  5. Step 5: Solve for x
    x = 127,919,005,630,260,887,552/9,780,502,238.40
  6. Step 6: Final answer
    x = 13,078,981,274.40

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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.