Home / 314,319,895.50-433,941,249.06-208,616,654.82

Finding the Fourth Proportional to 314,319,895.50, 433,941,249.06 and 208,616,654.82

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Solution

The fourth proportional to 314,319,895.50, 433,941,249.06 and 208,616,654.82 is: 288,010,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,319,895.50 : 433,941,249.06 = 208,616,654.82 : x
  2. Step 2: Convert to fraction form
    314,319,895.50/433,941,249.06 = 208,616,654.82/x
  3. Step 3: Cross multiply
    314,319,895.50x = 433,941,249.06 × 208,616,654.82
  4. Step 4: Simplify right side
    314,319,895.50x = 90,527,371,767,309,664
  5. Step 5: Solve for x
    x = 90,527,371,767,309,664/314,319,895.50
  6. Step 6: Final answer
    x = 288,010,313.90

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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.