Home / 511,155,218.30-766,732,823.02-122,978,044.13

Finding the Fourth Proportional to 511,155,218.30, 766,732,823.02 and 122,978,044.13

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Solution

The fourth proportional to 511,155,218.30, 766,732,823.02 and 122,978,044.13 is: 184,467,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,155,218.30 : 766,732,823.02 = 122,978,044.13 : x
  2. Step 2: Convert to fraction form
    511,155,218.30/766,732,823.02 = 122,978,044.13/x
  3. Step 3: Cross multiply
    511,155,218.30x = 766,732,823.02 × 122,978,044.13
  4. Step 4: Simplify right side
    511,155,218.30x = 94,291,302,945,273,040
  5. Step 5: Solve for x
    x = 94,291,302,945,273,040/511,155,218.30
  6. Step 6: Final answer
    x = 184,467,065.13

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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.