Home / 397,527,248.21-596,563,249.61-138,742,468.39

Finding the Fourth Proportional to 397,527,248.21, 596,563,249.61 and 138,742,468.39

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Solution

The fourth proportional to 397,527,248.21, 596,563,249.61 and 138,742,468.39 is: 208,208,766.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,527,248.21 : 596,563,249.61 = 138,742,468.39 : x
  2. Step 2: Convert to fraction form
    397,527,248.21/596,563,249.61 = 138,742,468.39/x
  3. Step 3: Cross multiply
    397,527,248.21x = 596,563,249.61 × 138,742,468.39
  4. Step 4: Simplify right side
    397,527,248.21x = 82,768,657,801,651,104
  5. Step 5: Solve for x
    x = 82,768,657,801,651,104/397,527,248.21
  6. Step 6: Final answer
    x = 208,208,766.00

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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.