Home / 260,556,022,068.39-390,610,192,395.72-90,553,524,167.81

Finding the Fourth Proportional to 260,556,022,068.39, 390,610,192,395.72 and 90,553,524,167.81

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Solution

The fourth proportional to 260,556,022,068.39, 390,610,192,395.72 and 90,553,524,167.81 is: 135,752,492,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,556,022,068.39 : 390,610,192,395.72 = 90,553,524,167.81 : x
  2. Step 2: Convert to fraction form
    260,556,022,068.39/390,610,192,395.72 = 90,553,524,167.81/x
  3. Step 3: Cross multiply
    260,556,022,068.39x = 390,610,192,395.72 × 90,553,524,167.81
  4. Step 4: Simplify right side
    260,556,022,068.39x = 35,371,129,497,296,784,326,656
  5. Step 5: Solve for x
    x = 35,371,129,497,296,784,326,656/260,556,022,068.39
  6. Step 6: Final answer
    x = 135,752,492,751.88

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1.5x scale

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.