Home / 1,090,662,345.44-1,636,154,968.02-400,515,791.24

Finding the Fourth Proportional to 1,090,662,345.44, 1,636,154,968.02 and 400,515,791.24

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Solution

The fourth proportional to 1,090,662,345.44, 1,636,154,968.02 and 400,515,791.24 is: 600,832,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,662,345.44 : 1,636,154,968.02 = 400,515,791.24 : x
  2. Step 2: Convert to fraction form
    1,090,662,345.44/1,636,154,968.02 = 400,515,791.24/x
  3. Step 3: Cross multiply
    1,090,662,345.44x = 1,636,154,968.02 × 400,515,791.24
  4. Step 4: Simplify right side
    1,090,662,345.44x = 655,305,901,607,787,264
  5. Step 5: Solve for x
    x = 655,305,901,607,787,264/1,090,662,345.44
  6. Step 6: Final answer
    x = 600,832,974.89

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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.