Home / 992,137,456.65-1,369,138,824.85-546,091,283.37

Finding the Fourth Proportional to 992,137,456.65, 1,369,138,824.85 and 546,091,283.37

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Solution

The fourth proportional to 992,137,456.65, 1,369,138,824.85 and 546,091,283.37 is: 753,599,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,137,456.65 : 1,369,138,824.85 = 546,091,283.37 : x
  2. Step 2: Convert to fraction form
    992,137,456.65/1,369,138,824.85 = 546,091,283.37/x
  3. Step 3: Cross multiply
    992,137,456.65x = 1,369,138,824.85 × 546,091,283.37
  4. Step 4: Simplify right side
    992,137,456.65x = 747,674,777,974,030,080
  5. Step 5: Solve for x
    x = 747,674,777,974,030,080/992,137,456.65
  6. Step 6: Final answer
    x = 753,599,990.57

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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.