Home / 673,111,804.90-1,009,667,707.35-443,340,336.10

Finding the Fourth Proportional to 673,111,804.90, 1,009,667,707.35 and 443,340,336.10

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Solution

The fourth proportional to 673,111,804.90, 1,009,667,707.35 and 443,340,336.10 is: 665,010,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,111,804.90 : 1,009,667,707.35 = 443,340,336.10 : x
  2. Step 2: Convert to fraction form
    673,111,804.90/1,009,667,707.35 = 443,340,336.10/x
  3. Step 3: Cross multiply
    673,111,804.90x = 1,009,667,707.35 × 443,340,336.10
  4. Step 4: Simplify right side
    673,111,804.90x = 447,626,420,725,865,472
  5. Step 5: Solve for x
    x = 447,626,420,725,865,472/673,111,804.90
  6. Step 6: Final answer
    x = 665,010,504.15

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Double scale
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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.