Home / 1,277,812,165,998.80-1,916,836,078,294.50-417,290,845,440.04

Finding the Fourth Proportional to 1,277,812,165,998.80, 1,916,836,078,294.50 and 417,290,845,440.04

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Solution

The fourth proportional to 1,277,812,165,998.80, 1,916,836,078,294.50 and 417,290,845,440.04 is: 625,974,747,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,812,165,998.80 : 1,916,836,078,294.50 = 417,290,845,440.04 : x
  2. Step 2: Convert to fraction form
    1,277,812,165,998.80/1,916,836,078,294.50 = 417,290,845,440.04/x
  3. Step 3: Cross multiply
    1,277,812,165,998.80x = 1,916,836,078,294.50 × 417,290,845,440.04
  4. Step 4: Simplify right side
    1,277,812,165,998.80x = 799,878,147,681,482,522,492,928
  5. Step 5: Solve for x
    x = 799,878,147,681,482,522,492,928/1,277,812,165,998.80
  6. Step 6: Final answer
    x = 625,974,747,279.28

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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.