Home / 18,713,510,117.45-28,070,019,987.49-4,548,434,721.02

Finding the Fourth Proportional to 18,713,510,117.45, 28,070,019,987.49 and 4,548,434,721.02

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Solution

The fourth proportional to 18,713,510,117.45, 28,070,019,987.49 and 4,548,434,721.02 is: 6,822,592,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713,510,117.45 : 28,070,019,987.49 = 4,548,434,721.02 : x
  2. Step 2: Convert to fraction form
    18,713,510,117.45/28,070,019,987.49 = 4,548,434,721.02/x
  3. Step 3: Cross multiply
    18,713,510,117.45x = 28,070,019,987.49 × 4,548,434,721.02
  4. Step 4: Simplify right side
    18,713,510,117.45x = 127,674,653,530,935,836,672
  5. Step 5: Solve for x
    x = 127,674,653,530,935,836,672/18,713,510,117.45
  6. Step 6: Final answer
    x = 6,822,592,486.90

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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.