Home / 768,265,067.96-1,152,395,877.78-593,642,040.76

Finding the Fourth Proportional to 768,265,067.96, 1,152,395,877.78 and 593,642,040.76

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Solution

The fourth proportional to 768,265,067.96, 1,152,395,877.78 and 593,642,040.76 is: 890,461,728.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,265,067.96 : 1,152,395,877.78 = 593,642,040.76 : x
  2. Step 2: Convert to fraction form
    768,265,067.96/1,152,395,877.78 = 593,642,040.76/x
  3. Step 3: Cross multiply
    768,265,067.96x = 1,152,395,877.78 × 593,642,040.76
  4. Step 4: Simplify right side
    768,265,067.96x = 684,110,640,648,730,752
  5. Step 5: Solve for x
    x = 684,110,640,648,730,752/768,265,067.96
  6. Step 6: Final answer
    x = 890,461,728.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.