Home / 1,229,678,977,852.20-1,697,010,332,023.80-680,970,282,785.18

Finding the Fourth Proportional to 1,229,678,977,852.20, 1,697,010,332,023.80 and 680,970,282,785.18

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Solution

The fourth proportional to 1,229,678,977,852.20, 1,697,010,332,023.80 and 680,970,282,785.18 is: 939,768,530,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,678,977,852.20 : 1,697,010,332,023.80 = 680,970,282,785.18 : x
  2. Step 2: Convert to fraction form
    1,229,678,977,852.20/1,697,010,332,023.80 = 680,970,282,785.18/x
  3. Step 3: Cross multiply
    1,229,678,977,852.20x = 1,697,010,332,023.80 × 680,970,282,785.18
  4. Step 4: Simplify right side
    1,229,678,977,852.20x = 1,155,613,605,687,619,441,655,808
  5. Step 5: Solve for x
    x = 1,155,613,605,687,619,441,655,808/1,229,678,977,852.20
  6. Step 6: Final answer
    x = 939,768,530,243.60

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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.