Home / 1,271,952,281.40-1,755,173,215.98-743,440,111.80

Finding the Fourth Proportional to 1,271,952,281.40, 1,755,173,215.98 and 743,440,111.80

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Solution

The fourth proportional to 1,271,952,281.40, 1,755,173,215.98 and 743,440,111.80 is: 1,025,876,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,952,281.40 : 1,755,173,215.98 = 743,440,111.80 : x
  2. Step 2: Convert to fraction form
    1,271,952,281.40/1,755,173,215.98 = 743,440,111.80/x
  3. Step 3: Cross multiply
    1,271,952,281.40x = 1,755,173,215.98 × 743,440,111.80
  4. Step 4: Simplify right side
    1,271,952,281.40x = 1,304,866,171,916,536,576
  5. Step 5: Solve for x
    x = 1,304,866,171,916,536,576/1,271,952,281.40
  6. Step 6: Final answer
    x = 1,025,876,670.85

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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.