Home / 1,072,225,476-1,479,734,361.72-807,440,312.16

Finding the Fourth Proportional to 1,072,225,476, 1,479,734,361.72 and 807,440,312.16

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Solution

The fourth proportional to 1,072,225,476, 1,479,734,361.72 and 807,440,312.16 is: 1,114,315,227.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,225,476 : 1,479,734,361.72 = 807,440,312.16 : x
  2. Step 2: Convert to fraction form
    1,072,225,476/1,479,734,361.72 = 807,440,312.16/x
  3. Step 3: Cross multiply
    1,072,225,476x = 1,479,734,361.72 × 807,440,312.16
  4. Step 4: Simplify right side
    1,072,225,476x = 1,194,797,174,941,075,200
  5. Step 5: Solve for x
    x = 1,194,797,174,941,075,200/1,072,225,476
  6. Step 6: Final answer
    x = 1,114,315,227.24

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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.