Home / 19,196,108,013.47-28,786,717,822.13-6,602,571,894.11

Finding the Fourth Proportional to 19,196,108,013.47, 28,786,717,822.13 and 6,602,571,894.11

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Solution

The fourth proportional to 19,196,108,013.47, 28,786,717,822.13 and 6,602,571,894.11 is: 9,901,297,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196,108,013.47 : 28,786,717,822.13 = 6,602,571,894.11 : x
  2. Step 2: Convert to fraction form
    19,196,108,013.47/28,786,717,822.13 = 6,602,571,894.11/x
  3. Step 3: Cross multiply
    19,196,108,013.47x = 28,786,717,822.13 × 6,602,571,894.11
  4. Step 4: Simplify right side
    19,196,108,013.47x = 190,066,374,016,037,945,344
  5. Step 5: Solve for x
    x = 190,066,374,016,037,945,344/19,196,108,013.47
  6. Step 6: Final answer
    x = 9,901,297,381.88

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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.