Home / 5,328,778,373.52-7,353,801,216.72-2,917,420,637.28

Finding the Fourth Proportional to 5,328,778,373.52, 7,353,801,216.72 and 2,917,420,637.28

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Solution

The fourth proportional to 5,328,778,373.52, 7,353,801,216.72 and 2,917,420,637.28 is: 4,026,088,144.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,778,373.52 : 7,353,801,216.72 = 2,917,420,637.28 : x
  2. Step 2: Convert to fraction form
    5,328,778,373.52/7,353,801,216.72 = 2,917,420,637.28/x
  3. Step 3: Cross multiply
    5,328,778,373.52x = 7,353,801,216.72 × 2,917,420,637.28
  4. Step 4: Simplify right side
    5,328,778,373.52x = 21,454,131,432,113,704,960
  5. Step 5: Solve for x
    x = 21,454,131,432,113,704,960/5,328,778,373.52
  6. Step 6: Final answer
    x = 4,026,088,144.09

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1.5x scale

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.