Home / 21,923,291,574.60-30,248,957,007.37-12,407,843,320.53

Finding the Fourth Proportional to 21,923,291,574.60, 30,248,957,007.37 and 12,407,843,320.53

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Solution

The fourth proportional to 21,923,291,574.60, 30,248,957,007.37 and 12,407,843,320.53 is: 17,119,889,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,291,574.60 : 30,248,957,007.37 = 12,407,843,320.53 : x
  2. Step 2: Convert to fraction form
    21,923,291,574.60/30,248,957,007.37 = 12,407,843,320.53/x
  3. Step 3: Cross multiply
    21,923,291,574.60x = 30,248,957,007.37 × 12,407,843,320.53
  4. Step 4: Simplify right side
    21,923,291,574.60x = 375,324,319,156,895,023,104
  5. Step 5: Solve for x
    x = 375,324,319,156,895,023,104/21,923,291,574.60
  6. Step 6: Final answer
    x = 17,119,889,040.37

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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.