Home / 1,271,632,043.20-1,754,868,036.72-769,834,166.08

Finding the Fourth Proportional to 1,271,632,043.20, 1,754,868,036.72 and 769,834,166.08

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Solution

The fourth proportional to 1,271,632,043.20, 1,754,868,036.72 and 769,834,166.08 is: 1,062,380,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,632,043.20 : 1,754,868,036.72 = 769,834,166.08 : x
  2. Step 2: Convert to fraction form
    1,271,632,043.20/1,754,868,036.72 = 769,834,166.08/x
  3. Step 3: Cross multiply
    1,271,632,043.20x = 1,754,868,036.72 × 769,834,166.08
  4. Step 4: Simplify right side
    1,271,632,043.20x = 1,350,957,371,628,788,224
  5. Step 5: Solve for x
    x = 1,350,957,371,628,788,224/1,271,632,043.20
  6. Step 6: Final answer
    x = 1,062,380,724.72

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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.