Home / 25,435,996,957.31-38,158,139,920.85-7,510,187,506.19

Finding the Fourth Proportional to 25,435,996,957.31, 38,158,139,920.85 and 7,510,187,506.19

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Solution

The fourth proportional to 25,435,996,957.31, 38,158,139,920.85 and 7,510,187,506.19 is: 11,266,504,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435,996,957.31 : 38,158,139,920.85 = 7,510,187,506.19 : x
  2. Step 2: Convert to fraction form
    25,435,996,957.31/38,158,139,920.85 = 7,510,187,506.19/x
  3. Step 3: Cross multiply
    25,435,996,957.31x = 38,158,139,920.85 × 7,510,187,506.19
  4. Step 4: Simplify right side
    25,435,996,957.31x = 286,574,785,692,979,986,432
  5. Step 5: Solve for x
    x = 286,574,785,692,979,986,432/25,435,996,957.31
  6. Step 6: Final answer
    x = 11,266,504,952.57

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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.