Home / 1,091,788,494.52-1,506,499,761.52-621,829,903.56

Finding the Fourth Proportional to 1,091,788,494.52, 1,506,499,761.52 and 621,829,903.56

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Solution

The fourth proportional to 1,091,788,494.52, 1,506,499,761.52 and 621,829,903.56 is: 858,029,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,788,494.52 : 1,506,499,761.52 = 621,829,903.56 : x
  2. Step 2: Convert to fraction form
    1,091,788,494.52/1,506,499,761.52 = 621,829,903.56/x
  3. Step 3: Cross multiply
    1,091,788,494.52x = 1,506,499,761.52 × 621,829,903.56
  4. Step 4: Simplify right side
    1,091,788,494.52x = 936,786,601,419,144,448
  5. Step 5: Solve for x
    x = 936,786,601,419,144,448/1,091,788,494.52
  6. Step 6: Final answer
    x = 858,029,376.68

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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.