Home / 1,248,075,025.76-1,722,397,676.08-691,158,072.88

Finding the Fourth Proportional to 1,248,075,025.76, 1,722,397,676.08 and 691,158,072.88

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Solution

The fourth proportional to 1,248,075,025.76, 1,722,397,676.08 and 691,158,072.88 is: 953,828,122.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,075,025.76 : 1,722,397,676.08 = 691,158,072.88 : x
  2. Step 2: Convert to fraction form
    1,248,075,025.76/1,722,397,676.08 = 691,158,072.88/x
  3. Step 3: Cross multiply
    1,248,075,025.76x = 1,722,397,676.08 × 691,158,072.88
  4. Step 4: Simplify right side
    1,248,075,025.76x = 1,190,449,058,532,443,136
  5. Step 5: Solve for x
    x = 1,190,449,058,532,443,136/1,248,075,025.76
  6. Step 6: Final answer
    x = 953,828,122.48

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Double scale
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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.