Home / 1,043,854,008.28-1,566,391,579.08-389,257,264.60

Finding the Fourth Proportional to 1,043,854,008.28, 1,566,391,579.08 and 389,257,264.60

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Solution

The fourth proportional to 1,043,854,008.28, 1,566,391,579.08 and 389,257,264.60 is: 584,113,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,854,008.28 : 1,566,391,579.08 = 389,257,264.60 : x
  2. Step 2: Convert to fraction form
    1,043,854,008.28/1,566,391,579.08 = 389,257,264.60/x
  3. Step 3: Cross multiply
    1,043,854,008.28x = 1,566,391,579.08 × 389,257,264.60
  4. Step 4: Simplify right side
    1,043,854,008.28x = 609,729,301,365,155,456
  5. Step 5: Solve for x
    x = 609,729,301,365,155,456/1,043,854,008.28
  6. Step 6: Final answer
    x = 584,113,579.61

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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.