Home / 854,860,963.80-1,282,291,445.70-807,243,850.20

Finding the Fourth Proportional to 854,860,963.80, 1,282,291,445.70 and 807,243,850.20

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Solution

The fourth proportional to 854,860,963.80, 1,282,291,445.70 and 807,243,850.20 is: 1,210,865,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,860,963.80 : 1,282,291,445.70 = 807,243,850.20 : x
  2. Step 2: Convert to fraction form
    854,860,963.80/1,282,291,445.70 = 807,243,850.20/x
  3. Step 3: Cross multiply
    854,860,963.80x = 1,282,291,445.70 × 807,243,850.20
  4. Step 4: Simplify right side
    854,860,963.80x = 1,035,121,883,705,392,384
  5. Step 5: Solve for x
    x = 1,035,121,883,705,392,384/854,860,963.80
  6. Step 6: Final answer
    x = 1,210,865,775.30

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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.