Home / 1,244,345,916.65-1,865,215,077.10-579,812,062.79

Finding the Fourth Proportional to 1,244,345,916.65, 1,865,215,077.10 and 579,812,062.79

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Solution

The fourth proportional to 1,244,345,916.65, 1,865,215,077.10 and 579,812,062.79 is: 869,110,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,345,916.65 : 1,865,215,077.10 = 579,812,062.79 : x
  2. Step 2: Convert to fraction form
    1,244,345,916.65/1,865,215,077.10 = 579,812,062.79/x
  3. Step 3: Cross multiply
    1,244,345,916.65x = 1,865,215,077.10 × 579,812,062.79
  4. Step 4: Simplify right side
    1,244,345,916.65x = 1,081,474,201,403,573,504
  5. Step 5: Solve for x
    x = 1,081,474,201,403,573,504/1,244,345,916.65
  6. Step 6: Final answer
    x = 869,110,580.05

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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.