Home / 960,267,169.54-1,325,170,038.63-520,234,021.54

Finding the Fourth Proportional to 960,267,169.54, 1,325,170,038.63 and 520,234,021.54

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Solution

The fourth proportional to 960,267,169.54, 1,325,170,038.63 and 520,234,021.54 is: 717,923,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,267,169.54 : 1,325,170,038.63 = 520,234,021.54 : x
  2. Step 2: Convert to fraction form
    960,267,169.54/1,325,170,038.63 = 520,234,021.54/x
  3. Step 3: Cross multiply
    960,267,169.54x = 1,325,170,038.63 × 520,234,021.54
  4. Step 4: Simplify right side
    960,267,169.54x = 689,398,538,420,802,176
  5. Step 5: Solve for x
    x = 689,398,538,420,802,176/960,267,169.54
  6. Step 6: Final answer
    x = 717,923,678.21

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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.