Home / 28,176,258,723.43-38,883,262,093.47-15,315,898,682.82

Finding the Fourth Proportional to 28,176,258,723.43, 38,883,262,093.47 and 15,315,898,682.82

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Solution

The fourth proportional to 28,176,258,723.43, 38,883,262,093.47 and 15,315,898,682.82 is: 21,135,953,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176,258,723.43 : 38,883,262,093.47 = 15,315,898,682.82 : x
  2. Step 2: Convert to fraction form
    28,176,258,723.43/38,883,262,093.47 = 15,315,898,682.82/x
  3. Step 3: Cross multiply
    28,176,258,723.43x = 38,883,262,093.47 × 15,315,898,682.82
  4. Step 4: Simplify right side
    28,176,258,723.43x = 595,532,102,681,122,045,952
  5. Step 5: Solve for x
    x = 595,532,102,681,122,045,952/28,176,258,723.43
  6. Step 6: Final answer
    x = 21,135,953,801.63

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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.