Home / 648,583,065,138.12-973,036,640,672.85-457,727,750,908.44

Finding the Fourth Proportional to 648,583,065,138.12, 973,036,640,672.85 and 457,727,750,908.44

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Solution

The fourth proportional to 648,583,065,138.12, 973,036,640,672.85 and 457,727,750,908.44 is: 686,705,985,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,583,065,138.12 : 973,036,640,672.85 = 457,727,750,908.44 : x
  2. Step 2: Convert to fraction form
    648,583,065,138.12/973,036,640,672.85 = 457,727,750,908.44/x
  3. Step 3: Cross multiply
    648,583,065,138.12x = 973,036,640,672.85 × 457,727,750,908.44
  4. Step 4: Simplify right side
    648,583,065,138.12x = 445,385,873,086,687,498,731,520
  5. Step 5: Solve for x
    x = 445,385,873,086,687,498,731,520/648,583,065,138.12
  6. Step 6: Final answer
    x = 686,705,985,750.40

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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.