Home / 691,567,179.92-1,035,688,581.23-395,564,926.31

Finding the Fourth Proportional to 691,567,179.92, 1,035,688,581.23 and 395,564,926.31

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Solution

The fourth proportional to 691,567,179.92, 1,035,688,581.23 and 395,564,926.31 is: 592,396,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,567,179.92 : 1,035,688,581.23 = 395,564,926.31 : x
  2. Step 2: Convert to fraction form
    691,567,179.92/1,035,688,581.23 = 395,564,926.31/x
  3. Step 3: Cross multiply
    691,567,179.92x = 1,035,688,581.23 × 395,564,926.31
  4. Step 4: Simplify right side
    691,567,179.92x = 409,682,077,307,197,120
  5. Step 5: Solve for x
    x = 409,682,077,307,197,120/691,567,179.92
  6. Step 6: Final answer
    x = 592,396,645.19

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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.