Home / 1,353,415,116.25-1,867,712,860.43-766,704,252.25

Finding the Fourth Proportional to 1,353,415,116.25, 1,867,712,860.43 and 766,704,252.25

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Solution

The fourth proportional to 1,353,415,116.25, 1,867,712,860.43 and 766,704,252.25 is: 1,058,051,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,415,116.25 : 1,867,712,860.43 = 766,704,252.25 : x
  2. Step 2: Convert to fraction form
    1,353,415,116.25/1,867,712,860.43 = 766,704,252.25/x
  3. Step 3: Cross multiply
    1,353,415,116.25x = 1,867,712,860.43 × 766,704,252.25
  4. Step 4: Simplify right side
    1,353,415,116.25x = 1,431,983,392,073,691,904
  5. Step 5: Solve for x
    x = 1,431,983,392,073,691,904/1,353,415,116.25
  6. Step 6: Final answer
    x = 1,058,051,868.11

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Double scale
Find fourth proportional to 1,353,415,117.25, 1,867,712,861.81 and 766,704,253.25
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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.