Home / 835,556,857.02-1,153,044,078.99-478,312,791.86

Finding the Fourth Proportional to 835,556,857.02, 1,153,044,078.99 and 478,312,791.86

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Solution

The fourth proportional to 835,556,857.02, 1,153,044,078.99 and 478,312,791.86 is: 660,057,694.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,556,857.02 : 1,153,044,078.99 = 478,312,791.86 : x
  2. Step 2: Convert to fraction form
    835,556,857.02/1,153,044,078.99 = 478,312,791.86/x
  3. Step 3: Cross multiply
    835,556,857.02x = 1,153,044,078.99 × 478,312,791.86
  4. Step 4: Simplify right side
    835,556,857.02x = 551,515,732,560,414,336
  5. Step 5: Solve for x
    x = 551,515,732,560,414,336/835,556,857.02
  6. Step 6: Final answer
    x = 660,057,694.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.