Home / 900,793,414.65-1,351,393,865.28-486,261,338.40

Finding the Fourth Proportional to 900,793,414.65, 1,351,393,865.28 and 486,261,338.40

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Solution

The fourth proportional to 900,793,414.65, 1,351,393,865.28 and 486,261,338.40 is: 729,501,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,793,414.65 : 1,351,393,865.28 = 486,261,338.40 : x
  2. Step 2: Convert to fraction form
    900,793,414.65/1,351,393,865.28 = 486,261,338.40/x
  3. Step 3: Cross multiply
    900,793,414.65x = 1,351,393,865.28 × 486,261,338.40
  4. Step 4: Simplify right side
    900,793,414.65x = 657,130,589,636,601,984
  5. Step 5: Solve for x
    x = 657,130,589,636,601,984/900,793,414.65
  6. Step 6: Final answer
    x = 729,501,991.19

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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.