Home / 1,967,420,521.55-2,715,033,728.21-1,075,346,731.35

Finding the Fourth Proportional to 1,967,420,521.55, 2,715,033,728.21 and 1,075,346,731.35

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Solution

The fourth proportional to 1,967,420,521.55, 2,715,033,728.21 and 1,075,346,731.35 is: 1,483,974,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967,420,521.55 : 2,715,033,728.21 = 1,075,346,731.35 : x
  2. Step 2: Convert to fraction form
    1,967,420,521.55/2,715,033,728.21 = 1,075,346,731.35/x
  3. Step 3: Cross multiply
    1,967,420,521.55x = 2,715,033,728.21 × 1,075,346,731.35
  4. Step 4: Simplify right side
    1,967,420,521.55x = 2,919,602,645,135,627,776
  5. Step 5: Solve for x
    x = 2,919,602,645,135,627,776/1,967,420,521.55
  6. Step 6: Final answer
    x = 1,483,974,886.49

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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.