Home / 1,038,269,410.68-1,557,566,322.27-338,598,816.90

Finding the Fourth Proportional to 1,038,269,410.68, 1,557,566,322.27 and 338,598,816.90

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Solution

The fourth proportional to 1,038,269,410.68, 1,557,566,322.27 and 338,598,816.90 is: 507,951,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,269,410.68 : 1,557,566,322.27 = 338,598,816.90 : x
  2. Step 2: Convert to fraction form
    1,038,269,410.68/1,557,566,322.27 = 338,598,816.90/x
  3. Step 3: Cross multiply
    1,038,269,410.68x = 1,557,566,322.27 × 338,598,816.90
  4. Step 4: Simplify right side
    1,038,269,410.68x = 527,390,113,959,571,968
  5. Step 5: Solve for x
    x = 527,390,113,959,571,968/1,038,269,410.68
  6. Step 6: Final answer
    x = 507,951,123.80

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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.