Home / 1,244,345,912.15-1,865,215,070.35-579,812,058.29

Finding the Fourth Proportional to 1,244,345,912.15, 1,865,215,070.35 and 579,812,058.29

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Solution

The fourth proportional to 1,244,345,912.15, 1,865,215,070.35 and 579,812,058.29 is: 869,110,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,345,912.15 : 1,865,215,070.35 = 579,812,058.29 : x
  2. Step 2: Convert to fraction form
    1,244,345,912.15/1,865,215,070.35 = 579,812,058.29/x
  3. Step 3: Cross multiply
    1,244,345,912.15x = 1,865,215,070.35 × 579,812,058.29
  4. Step 4: Simplify right side
    1,244,345,912.15x = 1,081,474,189,096,374,272
  5. Step 5: Solve for x
    x = 1,081,474,189,096,374,272/1,244,345,912.15
  6. Step 6: Final answer
    x = 869,110,573.31

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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.