Home / 673,988,724.60-1,010,983,086.90-329,163,559.80

Finding the Fourth Proportional to 673,988,724.60, 1,010,983,086.90 and 329,163,559.80

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Solution

The fourth proportional to 673,988,724.60, 1,010,983,086.90 and 329,163,559.80 is: 493,745,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,988,724.60 : 1,010,983,086.90 = 329,163,559.80 : x
  2. Step 2: Convert to fraction form
    673,988,724.60/1,010,983,086.90 = 329,163,559.80/x
  3. Step 3: Cross multiply
    673,988,724.60x = 1,010,983,086.90 × 329,163,559.80
  4. Step 4: Simplify right side
    673,988,724.60x = 332,778,791,781,596,736
  5. Step 5: Solve for x
    x = 332,778,791,781,596,736/673,988,724.60
  6. Step 6: Final answer
    x = 493,745,339.70

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Double scale
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1.5x scale

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.