Home / 986,187,671.57-1,360,939,720.50-534,069,148.50

Finding the Fourth Proportional to 986,187,671.57, 1,360,939,720.50 and 534,069,148.50

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Solution

The fourth proportional to 986,187,671.57, 1,360,939,720.50 and 534,069,148.50 is: 737,015,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,187,671.57 : 1,360,939,720.50 = 534,069,148.50 : x
  2. Step 2: Convert to fraction form
    986,187,671.57/1,360,939,720.50 = 534,069,148.50/x
  3. Step 3: Cross multiply
    986,187,671.57x = 1,360,939,720.50 × 534,069,148.50
  4. Step 4: Simplify right side
    986,187,671.57x = 726,835,917,687,262,976
  5. Step 5: Solve for x
    x = 726,835,917,687,262,976/986,187,671.57
  6. Step 6: Final answer
    x = 737,015,822.29

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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.