Home / 688,149,775,351.12-1,031,940,664,672.80-234,905,186,553.40

Finding the Fourth Proportional to 688,149,775,351.12, 1,031,940,664,672.80 and 234,905,186,553.40

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Solution

The fourth proportional to 688,149,775,351.12, 1,031,940,664,672.80 and 234,905,186,553.40 is: 352,260,834,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,149,775,351.12 : 1,031,940,664,672.80 = 234,905,186,553.40 : x
  2. Step 2: Convert to fraction form
    688,149,775,351.12/1,031,940,664,672.80 = 234,905,186,553.40/x
  3. Step 3: Cross multiply
    688,149,775,351.12x = 1,031,940,664,672.80 × 234,905,186,553.40
  4. Step 4: Simplify right side
    688,149,775,351.12x = 242,408,214,347,003,686,027,264
  5. Step 5: Solve for x
    x = 242,408,214,347,003,686,027,264/688,149,775,351.12
  6. Step 6: Final answer
    x = 352,260,834,820.91

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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.