Home / 1,128,282,071.37-1,557,029,254.14-633,244,779.87

Finding the Fourth Proportional to 1,128,282,071.37, 1,557,029,254.14 and 633,244,779.87

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Solution

The fourth proportional to 1,128,282,071.37, 1,557,029,254.14 and 633,244,779.87 is: 873,877,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,282,071.37 : 1,557,029,254.14 = 633,244,779.87 : x
  2. Step 2: Convert to fraction form
    1,128,282,071.37/1,557,029,254.14 = 633,244,779.87/x
  3. Step 3: Cross multiply
    1,128,282,071.37x = 1,557,029,254.14 × 633,244,779.87
  4. Step 4: Simplify right side
    1,128,282,071.37x = 985,980,647,289,034,624
  5. Step 5: Solve for x
    x = 985,980,647,289,034,624/1,128,282,071.37
  6. Step 6: Final answer
    x = 873,877,793.78

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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.