Home / 691,314,358.87-954,087,747.65-423,567,879.22

Finding the Fourth Proportional to 691,314,358.87, 954,087,747.65 and 423,567,879.22

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Solution

The fourth proportional to 691,314,358.87, 954,087,747.65 and 423,567,879.22 is: 584,568,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,314,358.87 : 954,087,747.65 = 423,567,879.22 : x
  2. Step 2: Convert to fraction form
    691,314,358.87/954,087,747.65 = 423,567,879.22/x
  3. Step 3: Cross multiply
    691,314,358.87x = 954,087,747.65 × 423,567,879.22
  4. Step 4: Simplify right side
    691,314,358.87x = 404,120,923,861,897,088
  5. Step 5: Solve for x
    x = 404,120,923,861,897,088/691,314,358.87
  6. Step 6: Final answer
    x = 584,568,971.67

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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.