Home / 1,861,720,279.78-2,569,193,784.57-1,026,374,743.93

Finding the Fourth Proportional to 1,861,720,279.78, 2,569,193,784.57 and 1,026,374,743.93

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Solution

The fourth proportional to 1,861,720,279.78, 2,569,193,784.57 and 1,026,374,743.93 is: 1,416,408,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,720,279.78 : 2,569,193,784.57 = 1,026,374,743.93 : x
  2. Step 2: Convert to fraction form
    1,861,720,279.78/2,569,193,784.57 = 1,026,374,743.93/x
  3. Step 3: Cross multiply
    1,861,720,279.78x = 2,569,193,784.57 × 1,026,374,743.93
  4. Step 4: Simplify right side
    1,861,720,279.78x = 2,636,955,612,744,581,632
  5. Step 5: Solve for x
    x = 2,636,955,612,744,581,632/1,861,720,279.78
  6. Step 6: Final answer
    x = 1,416,408,061.61

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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.