Home / 338,289,409.40-507,490,101.30-144,293,761.40

Finding the Fourth Proportional to 338,289,409.40, 507,490,101.30 and 144,293,761.40

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Solution

The fourth proportional to 338,289,409.40, 507,490,101.30 and 144,293,761.40 is: 216,464,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,289,409.40 : 507,490,101.30 = 144,293,761.40 : x
  2. Step 2: Convert to fraction form
    338,289,409.40/507,490,101.30 = 144,293,761.40/x
  3. Step 3: Cross multiply
    338,289,409.40x = 507,490,101.30 × 144,293,761.40
  4. Step 4: Simplify right side
    338,289,409.40x = 73,227,655,589,844,032
  5. Step 5: Solve for x
    x = 73,227,655,589,844,032/338,289,409.40
  6. Step 6: Final answer
    x = 216,464,522.85

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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.