Home / 1,425,432,515,415.70-1,967,134,152,722.30-775,149,131,605.69

Finding the Fourth Proportional to 1,425,432,515,415.70, 1,967,134,152,722.30 and 775,149,131,605.69

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Solution

The fourth proportional to 1,425,432,515,415.70, 1,967,134,152,722.30 and 775,149,131,605.69 is: 1,069,726,075,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,432,515,415.70 : 1,967,134,152,722.30 = 775,149,131,605.69 : x
  2. Step 2: Convert to fraction form
    1,425,432,515,415.70/1,967,134,152,722.30 = 775,149,131,605.69/x
  3. Step 3: Cross multiply
    1,425,432,515,415.70x = 1,967,134,152,722.30 × 775,149,131,605.69
  4. Step 4: Simplify right side
    1,425,432,515,415.70x = 1,524,822,330,234,585,418,301,440
  5. Step 5: Solve for x
    x = 1,524,822,330,234,585,418,301,440/1,425,432,515,415.70
  6. Step 6: Final answer
    x = 1,069,726,075,239.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.