Home / 765,178,216,669.30-1,055,939,663,665.50-417,948,717,010.24

Finding the Fourth Proportional to 765,178,216,669.30, 1,055,939,663,665.50 and 417,948,717,010.24

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Solution

The fourth proportional to 765,178,216,669.30, 1,055,939,663,665.50 and 417,948,717,010.24 is: 576,765,801,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,178,216,669.30 : 1,055,939,663,665.50 = 417,948,717,010.24 : x
  2. Step 2: Convert to fraction form
    765,178,216,669.30/1,055,939,663,665.50 = 417,948,717,010.24/x
  3. Step 3: Cross multiply
    765,178,216,669.30x = 1,055,939,663,665.50 × 417,948,717,010.24
  4. Step 4: Simplify right side
    765,178,216,669.30x = 441,328,627,669,220,062,134,272
  5. Step 5: Solve for x
    x = 441,328,627,669,220,062,134,272/765,178,216,669.30
  6. Step 6: Final answer
    x = 576,765,801,815.76

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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.