Home / 986,297,378.58-1,361,073,700.89-546,254,782.74

Finding the Fourth Proportional to 986,297,378.58, 1,361,073,700.89 and 546,254,782.74

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Solution

The fourth proportional to 986,297,378.58, 1,361,073,700.89 and 546,254,782.74 is: 753,822,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,297,378.58 : 1,361,073,700.89 = 546,254,782.74 : x
  2. Step 2: Convert to fraction form
    986,297,378.58/1,361,073,700.89 = 546,254,782.74/x
  3. Step 3: Cross multiply
    986,297,378.58x = 1,361,073,700.89 × 546,254,782.74
  4. Step 4: Simplify right side
    986,297,378.58x = 743,493,018,772,794,752
  5. Step 5: Solve for x
    x = 743,493,018,772,794,752/986,297,378.58
  6. Step 6: Final answer
    x = 753,822,361.21

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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.