Home / 389,338,160.96-537,252,616.15-230,539,795.71

Finding the Fourth Proportional to 389,338,160.96, 537,252,616.15 and 230,539,795.71

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Solution

The fourth proportional to 389,338,160.96, 537,252,616.15 and 230,539,795.71 is: 318,124,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,338,160.96 : 537,252,616.15 = 230,539,795.71 : x
  2. Step 2: Convert to fraction form
    389,338,160.96/537,252,616.15 = 230,539,795.71/x
  3. Step 3: Cross multiply
    389,338,160.96x = 537,252,616.15 × 230,539,795.71
  4. Step 4: Simplify right side
    389,338,160.96x = 123,858,108,370,731,344
  5. Step 5: Solve for x
    x = 123,858,108,370,731,344/389,338,160.96
  6. Step 6: Final answer
    x = 318,124,758.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.