Home / 3,147,846,912.60-4,721,770,368.90-1,306,651,853.40

Finding the Fourth Proportional to 3,147,846,912.60, 4,721,770,368.90 and 1,306,651,853.40

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Solution

The fourth proportional to 3,147,846,912.60, 4,721,770,368.90 and 1,306,651,853.40 is: 1,959,977,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,846,912.60 : 4,721,770,368.90 = 1,306,651,853.40 : x
  2. Step 2: Convert to fraction form
    3,147,846,912.60/4,721,770,368.90 = 1,306,651,853.40/x
  3. Step 3: Cross multiply
    3,147,846,912.60x = 4,721,770,368.90 × 1,306,651,853.40
  4. Step 4: Simplify right side
    3,147,846,912.60x = 6,169,710,003,852,386,304
  5. Step 5: Solve for x
    x = 6,169,710,003,852,386,304/3,147,846,912.60
  6. Step 6: Final answer
    x = 1,959,977,780.10

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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.