Home / 389,640,749.91-537,554,567.39-222,386,294.49

Finding the Fourth Proportional to 389,640,749.91, 537,554,567.39 and 222,386,294.49

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Solution

The fourth proportional to 389,640,749.91, 537,554,567.39 and 222,386,294.49 is: 306,807,664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,640,749.91 : 537,554,567.39 = 222,386,294.49 : x
  2. Step 2: Convert to fraction form
    389,640,749.91/537,554,567.39 = 222,386,294.49/x
  3. Step 3: Cross multiply
    389,640,749.91x = 537,554,567.39 × 222,386,294.49
  4. Step 4: Simplify right side
    389,640,749.91x = 119,544,768,326,925,168
  5. Step 5: Solve for x
    x = 119,544,768,326,925,168/389,640,749.91
  6. Step 6: Final answer
    x = 306,807,664.12

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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.