Home / 8,199,827,598.61-12,319,363,469.31-5,257,871,174.53

Finding the Fourth Proportional to 8,199,827,598.61, 12,319,363,469.31 and 5,257,871,174.53

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Solution

The fourth proportional to 8,199,827,598.61, 12,319,363,469.31 and 5,257,871,174.53 is: 7,899,388,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,827,598.61 : 12,319,363,469.31 = 5,257,871,174.53 : x
  2. Step 2: Convert to fraction form
    8,199,827,598.61/12,319,363,469.31 = 5,257,871,174.53/x
  3. Step 3: Cross multiply
    8,199,827,598.61x = 12,319,363,469.31 × 5,257,871,174.53
  4. Step 4: Simplify right side
    8,199,827,598.61x = 64,773,626,073,842,941,952
  5. Step 5: Solve for x
    x = 64,773,626,073,842,941,952/8,199,827,598.61
  6. Step 6: Final answer
    x = 7,899,388,773.10

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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.