Home / 412,920,872,648.20-619,381,308,972.30-412,920,872,648.20

Finding the Fourth Proportional to 412,920,872,648.20, 619,381,308,972.30 and 412,920,872,648.20

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Solution

The fourth proportional to 412,920,872,648.20, 619,381,308,972.30 and 412,920,872,648.20 is: 619,381,308,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,920,872,648.20 : 619,381,308,972.30 = 412,920,872,648.20 : x
  2. Step 2: Convert to fraction form
    412,920,872,648.20/619,381,308,972.30 = 412,920,872,648.20/x
  3. Step 3: Cross multiply
    412,920,872,648.20x = 619,381,308,972.30 × 412,920,872,648.20
  4. Step 4: Simplify right side
    412,920,872,648.20x = 255,755,470,602,826,548,248,576
  5. Step 5: Solve for x
    x = 255,755,470,602,826,548,248,576/412,920,872,648.20
  6. Step 6: Final answer
    x = 619,381,308,972.30

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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.