Home / 747,871,266.24-1,121,829,753-256,577,644.32

Finding the Fourth Proportional to 747,871,266.24, 1,121,829,753 and 256,577,644.32

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Solution

The fourth proportional to 747,871,266.24, 1,121,829,753 and 256,577,644.32 is: 384,874,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,871,266.24 : 1,121,829,753 = 256,577,644.32 : x
  2. Step 2: Convert to fraction form
    747,871,266.24/1,121,829,753 = 256,577,644.32/x
  3. Step 3: Cross multiply
    747,871,266.24x = 1,121,829,753 × 256,577,644.32
  4. Step 4: Simplify right side
    747,871,266.24x = 287,836,435,352,827,456
  5. Step 5: Solve for x
    x = 287,836,435,352,827,456/747,871,266.24
  6. Step 6: Final answer
    x = 384,874,307.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.