Home / 266,298,145,339.10-399,406,858,141.07-72,476,313,020.51

Finding the Fourth Proportional to 266,298,145,339.10, 399,406,858,141.07 and 72,476,313,020.51

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Solution

The fourth proportional to 266,298,145,339.10, 399,406,858,141.07 and 72,476,313,020.51 is: 108,703,485,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,298,145,339.10 : 399,406,858,141.07 = 72,476,313,020.51 : x
  2. Step 2: Convert to fraction form
    266,298,145,339.10/399,406,858,141.07 = 72,476,313,020.51/x
  3. Step 3: Cross multiply
    266,298,145,339.10x = 399,406,858,141.07 × 72,476,313,020.51
  4. Step 4: Simplify right side
    266,298,145,339.10x = 28,947,536,473,168,627,630,080
  5. Step 5: Solve for x
    x = 28,947,536,473,168,627,630,080/266,298,145,339.10
  6. Step 6: Final answer
    x = 108,703,485,096.78

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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.