Home / 1,120,205,596.20-1,680,308,394.30-713,066,677.80

Finding the Fourth Proportional to 1,120,205,596.20, 1,680,308,394.30 and 713,066,677.80

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Solution

The fourth proportional to 1,120,205,596.20, 1,680,308,394.30 and 713,066,677.80 is: 1,069,600,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,205,596.20 : 1,680,308,394.30 = 713,066,677.80 : x
  2. Step 2: Convert to fraction form
    1,120,205,596.20/1,680,308,394.30 = 713,066,677.80/x
  3. Step 3: Cross multiply
    1,120,205,596.20x = 1,680,308,394.30 × 713,066,677.80
  4. Step 4: Simplify right side
    1,120,205,596.20x = 1,198,171,924,402,953,216
  5. Step 5: Solve for x
    x = 1,198,171,924,402,953,216/1,120,205,596.20
  6. Step 6: Final answer
    x = 1,069,600,016.70

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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.