Home / 570,263,872.20-855,755,643.90-242,738,862.36

Finding the Fourth Proportional to 570,263,872.20, 855,755,643.90 and 242,738,862.36

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Solution

The fourth proportional to 570,263,872.20, 855,755,643.90 and 242,738,862.36 is: 364,261,461.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,263,872.20 : 855,755,643.90 = 242,738,862.36 : x
  2. Step 2: Convert to fraction form
    570,263,872.20/855,755,643.90 = 242,738,862.36/x
  3. Step 3: Cross multiply
    570,263,872.20x = 855,755,643.90 × 242,738,862.36
  4. Step 4: Simplify right side
    570,263,872.20x = 207,725,151,458,435,296
  5. Step 5: Solve for x
    x = 207,725,151,458,435,296/570,263,872.20
  6. Step 6: Final answer
    x = 364,261,461.38

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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.