Home / 19,363,534,784.08-26,734,015,869.24-15,803,733,047.20

Finding the Fourth Proportional to 19,363,534,784.08, 26,734,015,869.24 and 15,803,733,047.20

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Solution

The fourth proportional to 19,363,534,784.08, 26,734,015,869.24 and 15,803,733,047.20 is: 21,819,221,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363,534,784.08 : 26,734,015,869.24 = 15,803,733,047.20 : x
  2. Step 2: Convert to fraction form
    19,363,534,784.08/26,734,015,869.24 = 15,803,733,047.20/x
  3. Step 3: Cross multiply
    19,363,534,784.08x = 26,734,015,869.24 × 15,803,733,047.20
  4. Step 4: Simplify right side
    19,363,534,784.08x = 422,497,250,077,077,471,232
  5. Step 5: Solve for x
    x = 422,497,250,077,077,471,232/19,363,534,784.08
  6. Step 6: Final answer
    x = 21,819,221,272.78

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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.