Home / 78,346,296,233.60-117,519,444,350.40-77,611,632,195.20

Finding the Fourth Proportional to 78,346,296,233.60, 117,519,444,350.40 and 77,611,632,195.20

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Solution

The fourth proportional to 78,346,296,233.60, 117,519,444,350.40 and 77,611,632,195.20 is: 116,417,448,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,346,296,233.60 : 117,519,444,350.40 = 77,611,632,195.20 : x
  2. Step 2: Convert to fraction form
    78,346,296,233.60/117,519,444,350.40 = 77,611,632,195.20/x
  3. Step 3: Cross multiply
    78,346,296,233.60x = 117,519,444,350.40 × 77,611,632,195.20
  4. Step 4: Simplify right side
    78,346,296,233.60x = 9,120,875,890,707,518,193,664
  5. Step 5: Solve for x
    x = 9,120,875,890,707,518,193,664/78,346,296,233.60
  6. Step 6: Final answer
    x = 116,417,448,292.80

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Double scale
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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.