Home / 28,173,116,462.32-38,878,377,682.08-15,485,580,897.04

Finding the Fourth Proportional to 28,173,116,462.32, 38,878,377,682.08 and 15,485,580,897.04

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Solution

The fourth proportional to 28,173,116,462.32, 38,878,377,682.08 and 15,485,580,897.04 is: 21,369,814,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,173,116,462.32 : 38,878,377,682.08 = 15,485,580,897.04 : x
  2. Step 2: Convert to fraction form
    28,173,116,462.32/38,878,377,682.08 = 15,485,580,897.04/x
  3. Step 3: Cross multiply
    28,173,116,462.32x = 38,878,377,682.08 × 15,485,580,897.04
  4. Step 4: Simplify right side
    28,173,116,462.32x = 602,054,262,741,524,414,464
  5. Step 5: Solve for x
    x = 602,054,262,741,524,414,464/28,173,116,462.32
  6. Step 6: Final answer
    x = 21,369,814,147.00

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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.