Home / 1,617,034,999.20-2,425,552,498.80-798,978,026.40

Finding the Fourth Proportional to 1,617,034,999.20, 2,425,552,498.80 and 798,978,026.40

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Solution

The fourth proportional to 1,617,034,999.20, 2,425,552,498.80 and 798,978,026.40 is: 1,198,467,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,034,999.20 : 2,425,552,498.80 = 798,978,026.40 : x
  2. Step 2: Convert to fraction form
    1,617,034,999.20/2,425,552,498.80 = 798,978,026.40/x
  3. Step 3: Cross multiply
    1,617,034,999.20x = 2,425,552,498.80 × 798,978,026.40
  4. Step 4: Simplify right side
    1,617,034,999.20x = 1,937,963,148,420,812,544
  5. Step 5: Solve for x
    x = 1,937,963,148,420,812,544/1,617,034,999.20
  6. Step 6: Final answer
    x = 1,198,467,039.60

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1.5x scale

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.