Home / 765,178,216,665.40-1,055,939,663,660.10-417,948,717,006.22

Finding the Fourth Proportional to 765,178,216,665.40, 1,055,939,663,660.10 and 417,948,717,006.22

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Solution

The fourth proportional to 765,178,216,665.40, 1,055,939,663,660.10 and 417,948,717,006.22 is: 576,765,801,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,178,216,665.40 : 1,055,939,663,660.10 = 417,948,717,006.22 : x
  2. Step 2: Convert to fraction form
    765,178,216,665.40/1,055,939,663,660.10 = 417,948,717,006.22/x
  3. Step 3: Cross multiply
    765,178,216,665.40x = 1,055,939,663,660.10 × 417,948,717,006.22
  4. Step 4: Simplify right side
    765,178,216,665.40x = 441,328,627,662,718,219,845,632
  5. Step 5: Solve for x
    x = 441,328,627,662,718,219,845,632/765,178,216,665.40
  6. Step 6: Final answer
    x = 576,765,801,810.20

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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.