Home / 673,618,054.80-1,011,182,909.40-520,940,960.40

Finding the Fourth Proportional to 673,618,054.80, 1,011,182,909.40 and 520,940,960.40

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Solution

The fourth proportional to 673,618,054.80, 1,011,182,909.40 and 520,940,960.40 is: 781,995,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,618,054.80 : 1,011,182,909.40 = 520,940,960.40 : x
  2. Step 2: Convert to fraction form
    673,618,054.80/1,011,182,909.40 = 520,940,960.40/x
  3. Step 3: Cross multiply
    673,618,054.80x = 1,011,182,909.40 × 520,940,960.40
  4. Step 4: Simplify right side
    673,618,054.80x = 526,766,595,962,902,144
  5. Step 5: Solve for x
    x = 526,766,595,962,902,144/673,618,054.80
  6. Step 6: Final answer
    x = 781,995,957.81

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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.