Home / 797,163,353.40-1,195,745,030.10-389,016,665.40

Finding the Fourth Proportional to 797,163,353.40, 1,195,745,030.10 and 389,016,665.40

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Solution

The fourth proportional to 797,163,353.40, 1,195,745,030.10 and 389,016,665.40 is: 583,524,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,163,353.40 : 1,195,745,030.10 = 389,016,665.40 : x
  2. Step 2: Convert to fraction form
    797,163,353.40/1,195,745,030.10 = 389,016,665.40/x
  3. Step 3: Cross multiply
    797,163,353.40x = 1,195,745,030.10 × 389,016,665.40
  4. Step 4: Simplify right side
    797,163,353.40x = 465,164,744,278,124,544
  5. Step 5: Solve for x
    x = 465,164,744,278,124,544/797,163,353.40
  6. Step 6: Final answer
    x = 583,524,998.10

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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.