Home / 577,368,003.20-866,052,004.80-518,917,366.40

Finding the Fourth Proportional to 577,368,003.20, 866,052,004.80 and 518,917,366.40

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Solution

The fourth proportional to 577,368,003.20, 866,052,004.80 and 518,917,366.40 is: 778,376,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,003.20 : 866,052,004.80 = 518,917,366.40 : x
  2. Step 2: Convert to fraction form
    577,368,003.20/866,052,004.80 = 518,917,366.40/x
  3. Step 3: Cross multiply
    577,368,003.20x = 866,052,004.80 × 518,917,366.40
  4. Step 4: Simplify right side
    577,368,003.20x = 449,409,425,496,256,128
  5. Step 5: Solve for x
    x = 449,409,425,496,256,128/577,368,003.20
  6. Step 6: Final answer
    x = 778,376,049.60

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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.