Home / 28,297,816,979.69-42,430,797,956.78-9,400,988,031.95

Finding the Fourth Proportional to 28,297,816,979.69, 42,430,797,956.78 and 9,400,988,031.95

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Solution

The fourth proportional to 28,297,816,979.69, 42,430,797,956.78 and 9,400,988,031.95 is: 14,096,190,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297,816,979.69 : 42,430,797,956.78 = 9,400,988,031.95 : x
  2. Step 2: Convert to fraction form
    28,297,816,979.69/42,430,797,956.78 = 9,400,988,031.95/x
  3. Step 3: Cross multiply
    28,297,816,979.69x = 42,430,797,956.78 × 9,400,988,031.95
  4. Step 4: Simplify right side
    28,297,816,979.69x = 398,891,423,777,883,357,184
  5. Step 5: Solve for x
    x = 398,891,423,777,883,357,184/28,297,816,979.69
  6. Step 6: Final answer
    x = 14,096,190,673.09

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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.