Home / 970,848,019.70-1,456,272,029.55-324,615,763.70

Finding the Fourth Proportional to 970,848,019.70, 1,456,272,029.55 and 324,615,763.70

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Solution

The fourth proportional to 970,848,019.70, 1,456,272,029.55 and 324,615,763.70 is: 486,923,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,848,019.70 : 1,456,272,029.55 = 324,615,763.70 : x
  2. Step 2: Convert to fraction form
    970,848,019.70/1,456,272,029.55 = 324,615,763.70/x
  3. Step 3: Cross multiply
    970,848,019.70x = 1,456,272,029.55 × 324,615,763.70
  4. Step 4: Simplify right side
    970,848,019.70x = 472,728,857,027,322,176
  5. Step 5: Solve for x
    x = 472,728,857,027,322,176/970,848,019.70
  6. Step 6: Final answer
    x = 486,923,645.55

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Double scale
Find fourth proportional to 970,848,020.70, 1,456,272,031.05 and 324,615,764.70
Similar ratio
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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.