Home / 412,996,365.11-619,511,644.10-121,863,482.35

Finding the Fourth Proportional to 412,996,365.11, 619,511,644.10 and 121,863,482.35

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Solution

The fourth proportional to 412,996,365.11, 619,511,644.10 and 121,863,482.35 is: 182,800,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,996,365.11 : 619,511,644.10 = 121,863,482.35 : x
  2. Step 2: Convert to fraction form
    412,996,365.11/619,511,644.10 = 121,863,482.35/x
  3. Step 3: Cross multiply
    412,996,365.11x = 619,511,644.10 × 121,863,482.35
  4. Step 4: Simplify right side
    412,996,365.11x = 75,495,846,305,155,712
  5. Step 5: Solve for x
    x = 75,495,846,305,155,712/412,996,365.11
  6. Step 6: Final answer
    x = 182,800,268.19

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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.