Home / 1,281,983,677.48-1,922,972,526.18-842,102,986.60

Finding the Fourth Proportional to 1,281,983,677.48, 1,922,972,526.18 and 842,102,986.60

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Solution

The fourth proportional to 1,281,983,677.48, 1,922,972,526.18 and 842,102,986.60 is: 1,263,152,515.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,983,677.48 : 1,922,972,526.18 = 842,102,986.60 : x
  2. Step 2: Convert to fraction form
    1,281,983,677.48/1,922,972,526.18 = 842,102,986.60/x
  3. Step 3: Cross multiply
    1,281,983,677.48x = 1,922,972,526.18 × 842,102,986.60
  4. Step 4: Simplify right side
    1,281,983,677.48x = 1,619,340,907,445,924,864
  5. Step 5: Solve for x
    x = 1,619,340,907,445,924,864/1,281,983,677.48
  6. Step 6: Final answer
    x = 1,263,152,515.82

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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.