Home / 1,318,592,933.76-1,819,659,407.04-790,263,799.68

Finding the Fourth Proportional to 1,318,592,933.76, 1,819,659,407.04 and 790,263,799.68

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Solution

The fourth proportional to 1,318,592,933.76, 1,819,659,407.04 and 790,263,799.68 is: 1,090,564,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,592,933.76 : 1,819,659,407.04 = 790,263,799.68 : x
  2. Step 2: Convert to fraction form
    1,318,592,933.76/1,819,659,407.04 = 790,263,799.68/x
  3. Step 3: Cross multiply
    1,318,592,933.76x = 1,819,659,407.04 × 790,263,799.68
  4. Step 4: Simplify right side
    1,318,592,933.76x = 1,438,010,957,130,886,144
  5. Step 5: Solve for x
    x = 1,438,010,957,130,886,144/1,318,592,933.76
  6. Step 6: Final answer
    x = 1,090,564,737.85

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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.