Home / 1,264,736,817.72-1,897,753,760.82-610,246,013.40

Finding the Fourth Proportional to 1,264,736,817.72, 1,897,753,760.82 and 610,246,013.40

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Solution

The fourth proportional to 1,264,736,817.72, 1,897,753,760.82 and 610,246,013.40 is: 915,681,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,736,817.72 : 1,897,753,760.82 = 610,246,013.40 : x
  2. Step 2: Convert to fraction form
    1,264,736,817.72/1,897,753,760.82 = 610,246,013.40/x
  3. Step 3: Cross multiply
    1,264,736,817.72x = 1,897,753,760.82 × 610,246,013.40
  4. Step 4: Simplify right side
    1,264,736,817.72x = 1,158,096,666,955,261,952
  5. Step 5: Solve for x
    x = 1,158,096,666,955,261,952/1,264,736,817.72
  6. Step 6: Final answer
    x = 915,681,943.25

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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.