Home / 7,561,981,931.60-11,342,972,897.40-6,812,968,986.20

Finding the Fourth Proportional to 7,561,981,931.60, 11,342,972,897.40 and 6,812,968,986.20

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Solution

The fourth proportional to 7,561,981,931.60, 11,342,972,897.40 and 6,812,968,986.20 is: 10,219,453,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561,981,931.60 : 11,342,972,897.40 = 6,812,968,986.20 : x
  2. Step 2: Convert to fraction form
    7,561,981,931.60/11,342,972,897.40 = 6,812,968,986.20/x
  3. Step 3: Cross multiply
    7,561,981,931.60x = 11,342,972,897.40 × 6,812,968,986.20
  4. Step 4: Simplify right side
    7,561,981,931.60x = 77,279,322,561,293,352,960
  5. Step 5: Solve for x
    x = 77,279,322,561,293,352,960/7,561,981,931.60
  6. Step 6: Final answer
    x = 10,219,453,479.30

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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.