Home / 1,578,946,697.22-2,178,860,118.28-864,344,009.82

Finding the Fourth Proportional to 1,578,946,697.22, 2,178,860,118.28 and 864,344,009.82

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Solution

The fourth proportional to 1,578,946,697.22, 2,178,860,118.28 and 864,344,009.82 is: 1,192,747,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,946,697.22 : 2,178,860,118.28 = 864,344,009.82 : x
  2. Step 2: Convert to fraction form
    1,578,946,697.22/2,178,860,118.28 = 864,344,009.82/x
  3. Step 3: Cross multiply
    1,578,946,697.22x = 2,178,860,118.28 × 864,344,009.82
  4. Step 4: Simplify right side
    1,578,946,697.22x = 1,883,284,691,471,014,912
  5. Step 5: Solve for x
    x = 1,883,284,691,471,014,912/1,578,946,697.22
  6. Step 6: Final answer
    x = 1,192,747,478.29

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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.