Home / 765,178,216,669.32-1,055,939,663,665.60-417,948,717,010.24

Finding the Fourth Proportional to 765,178,216,669.32, 1,055,939,663,665.60 and 417,948,717,010.24

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Solution

The fourth proportional to 765,178,216,669.32, 1,055,939,663,665.60 and 417,948,717,010.24 is: 576,765,801,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,178,216,669.32 : 1,055,939,663,665.60 = 417,948,717,010.24 : x
  2. Step 2: Convert to fraction form
    765,178,216,669.32/1,055,939,663,665.60 = 417,948,717,010.24/x
  3. Step 3: Cross multiply
    765,178,216,669.32x = 1,055,939,663,665.60 × 417,948,717,010.24
  4. Step 4: Simplify right side
    765,178,216,669.32x = 441,328,627,669,261,870,956,544
  5. Step 5: Solve for x
    x = 441,328,627,669,261,870,956,544/765,178,216,669.32
  6. Step 6: Final answer
    x = 576,765,801,815.80

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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.