Home / 1,043,854,009.28-1,566,391,580.60-389,257,265.60

Finding the Fourth Proportional to 1,043,854,009.28, 1,566,391,580.60 and 389,257,265.60

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Solution

The fourth proportional to 1,043,854,009.28, 1,566,391,580.60 and 389,257,265.60 is: 584,113,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,854,009.28 : 1,566,391,580.60 = 389,257,265.60 : x
  2. Step 2: Convert to fraction form
    1,043,854,009.28/1,566,391,580.60 = 389,257,265.60/x
  3. Step 3: Cross multiply
    1,043,854,009.28x = 1,566,391,580.60 × 389,257,265.60
  4. Step 4: Simplify right side
    1,043,854,009.28x = 609,729,303,523,218,048
  5. Step 5: Solve for x
    x = 609,729,303,523,218,048/1,043,854,009.28
  6. Step 6: Final answer
    x = 584,113,581.12

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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.