Home / 673,819,639.29-1,010,728,103.52-632,815,595.49

Finding the Fourth Proportional to 673,819,639.29, 1,010,728,103.52 and 632,815,595.49

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Solution

The fourth proportional to 673,819,639.29, 1,010,728,103.52 and 632,815,595.49 is: 949,222,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,819,639.29 : 1,010,728,103.52 = 632,815,595.49 : x
  2. Step 2: Convert to fraction form
    673,819,639.29/1,010,728,103.52 = 632,815,595.49/x
  3. Step 3: Cross multiply
    673,819,639.29x = 1,010,728,103.52 × 632,815,595.49
  4. Step 4: Simplify right side
    673,819,639.29x = 639,604,506,707,487,104
  5. Step 5: Solve for x
    x = 639,604,506,707,487,104/673,819,639.29
  6. Step 6: Final answer
    x = 949,222,120.30

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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.