Home / 1,243,468,873-1,865,292,889.02-477,563,977

Finding the Fourth Proportional to 1,243,468,873, 1,865,292,889.02 and 477,563,977

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Solution

The fourth proportional to 1,243,468,873, 1,865,292,889.02 and 477,563,977 is: 716,380,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,468,873 : 1,865,292,889.02 = 477,563,977 : x
  2. Step 2: Convert to fraction form
    1,243,468,873/1,865,292,889.02 = 477,563,977/x
  3. Step 3: Cross multiply
    1,243,468,873x = 1,865,292,889.02 × 477,563,977
  4. Step 4: Simplify right side
    1,243,468,873x = 890,796,690,350,210,816
  5. Step 5: Solve for x
    x = 890,796,690,350,210,816/1,243,468,873
  6. Step 6: Final answer
    x = 716,380,369.22

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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.