Home / 854,860,847.80-1,282,291,271.70-807,243,734.20

Finding the Fourth Proportional to 854,860,847.80, 1,282,291,271.70 and 807,243,734.20

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Solution

The fourth proportional to 854,860,847.80, 1,282,291,271.70 and 807,243,734.20 is: 1,210,865,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,860,847.80 : 1,282,291,271.70 = 807,243,734.20 : x
  2. Step 2: Convert to fraction form
    854,860,847.80/1,282,291,271.70 = 807,243,734.20/x
  3. Step 3: Cross multiply
    854,860,847.80x = 1,282,291,271.70 × 807,243,734.20
  4. Step 4: Simplify right side
    854,860,847.80x = 1,035,121,594,499,174,912
  5. Step 5: Solve for x
    x = 1,035,121,594,499,174,912/854,860,847.80
  6. Step 6: Final answer
    x = 1,210,865,601.30

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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.