Home / 929,317,801.87-1,282,409,885.37-511,548,488.83

Finding the Fourth Proportional to 929,317,801.87, 1,282,409,885.37 and 511,548,488.83

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Solution

The fourth proportional to 929,317,801.87, 1,282,409,885.37 and 511,548,488.83 is: 705,910,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,317,801.87 : 1,282,409,885.37 = 511,548,488.83 : x
  2. Step 2: Convert to fraction form
    929,317,801.87/1,282,409,885.37 = 511,548,488.83/x
  3. Step 3: Cross multiply
    929,317,801.87x = 1,282,409,885.37 × 511,548,488.83
  4. Step 4: Simplify right side
    929,317,801.87x = 656,014,838,921,676,928
  5. Step 5: Solve for x
    x = 656,014,838,921,676,928/929,317,801.87
  6. Step 6: Final answer
    x = 705,910,117.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.