Home / 755,811,994.38-1,043,467,966.91-671,948,487.51

Finding the Fourth Proportional to 755,811,994.38, 1,043,467,966.91 and 671,948,487.51

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Solution

The fourth proportional to 755,811,994.38, 1,043,467,966.91 and 671,948,487.51 is: 927,686,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,811,994.38 : 1,043,467,966.91 = 671,948,487.51 : x
  2. Step 2: Convert to fraction form
    755,811,994.38/1,043,467,966.91 = 671,948,487.51/x
  3. Step 3: Cross multiply
    755,811,994.38x = 1,043,467,966.91 × 671,948,487.51
  4. Step 4: Simplify right side
    755,811,994.38x = 701,156,722,131,989,120
  5. Step 5: Solve for x
    x = 701,156,722,131,989,120/755,811,994.38
  6. Step 6: Final answer
    x = 927,686,683.12

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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.