Home / 369,207,421.11-509,663,122.92-230,046,938.46

Finding the Fourth Proportional to 369,207,421.11, 509,663,122.92 and 230,046,938.46

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Solution

The fourth proportional to 369,207,421.11, 509,663,122.92 and 230,046,938.46 is: 317,562,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,207,421.11 : 509,663,122.92 = 230,046,938.46 : x
  2. Step 2: Convert to fraction form
    369,207,421.11/509,663,122.92 = 230,046,938.46/x
  3. Step 3: Cross multiply
    369,207,421.11x = 509,663,122.92 × 230,046,938.46
  4. Step 4: Simplify right side
    369,207,421.11x = 117,246,441,073,708,656
  5. Step 5: Solve for x
    x = 117,246,441,073,708,656/369,207,421.11
  6. Step 6: Final answer
    x = 317,562,525.48

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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.