Home / 1,090,428,708.30-1,636,090,960.05-400,666,404.30

Finding the Fourth Proportional to 1,090,428,708.30, 1,636,090,960.05 and 400,666,404.30

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Solution

The fourth proportional to 1,090,428,708.30, 1,636,090,960.05 and 400,666,404.30 is: 601,164,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,428,708.30 : 1,636,090,960.05 = 400,666,404.30 : x
  2. Step 2: Convert to fraction form
    1,090,428,708.30/1,636,090,960.05 = 400,666,404.30/x
  3. Step 3: Cross multiply
    1,090,428,708.30x = 1,636,090,960.05 × 400,666,404.30
  4. Step 4: Simplify right side
    1,090,428,708.30x = 655,526,682,070,968,448
  5. Step 5: Solve for x
    x = 655,526,682,070,968,448/1,090,428,708.30
  6. Step 6: Final answer
    x = 601,164,181.65

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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.