Home / 708,857,362.20-1,063,286,043.30-191,286,972.30

Finding the Fourth Proportional to 708,857,362.20, 1,063,286,043.30 and 191,286,972.30

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Solution

The fourth proportional to 708,857,362.20, 1,063,286,043.30 and 191,286,972.30 is: 286,930,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,857,362.20 : 1,063,286,043.30 = 191,286,972.30 : x
  2. Step 2: Convert to fraction form
    708,857,362.20/1,063,286,043.30 = 191,286,972.30/x
  3. Step 3: Cross multiply
    708,857,362.20x = 1,063,286,043.30 × 191,286,972.30
  4. Step 4: Simplify right side
    708,857,362.20x = 203,392,767,911,703,712
  5. Step 5: Solve for x
    x = 203,392,767,911,703,712/708,857,362.20
  6. Step 6: Final answer
    x = 286,930,458.45

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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.