Home / 1,353,415,115.25-1,867,712,859.05-766,704,251.25

Finding the Fourth Proportional to 1,353,415,115.25, 1,867,712,859.05 and 766,704,251.25

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Solution

The fourth proportional to 1,353,415,115.25, 1,867,712,859.05 and 766,704,251.25 is: 1,058,051,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,415,115.25 : 1,867,712,859.05 = 766,704,251.25 : x
  2. Step 2: Convert to fraction form
    1,353,415,115.25/1,867,712,859.05 = 766,704,251.25/x
  3. Step 3: Cross multiply
    1,353,415,115.25x = 1,867,712,859.05 × 766,704,251.25
  4. Step 4: Simplify right side
    1,353,415,115.25x = 1,431,983,389,144,093,696
  5. Step 5: Solve for x
    x = 1,431,983,389,144,093,696/1,353,415,115.25
  6. Step 6: Final answer
    x = 1,058,051,866.73

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Double scale
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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.