Home / 1,252,583,887,950.90-1,878,106,895,913.80-486,777,864,653.48

Finding the Fourth Proportional to 1,252,583,887,950.90, 1,878,106,895,913.80 and 486,777,864,653.48

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Solution

The fourth proportional to 1,252,583,887,950.90, 1,878,106,895,913.80 and 486,777,864,653.48 is: 729,867,973,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,583,887,950.90 : 1,878,106,895,913.80 = 486,777,864,653.48 : x
  2. Step 2: Convert to fraction form
    1,252,583,887,950.90/1,878,106,895,913.80 = 486,777,864,653.48/x
  3. Step 3: Cross multiply
    1,252,583,887,950.90x = 1,878,106,895,913.80 × 486,777,864,653.48
  4. Step 4: Simplify right side
    1,252,583,887,950.90x = 914,220,864,383,895,197,450,240
  5. Step 5: Solve for x
    x = 914,220,864,383,895,197,450,240/1,252,583,887,950.90
  6. Step 6: Final answer
    x = 729,867,973,856.40

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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.