Home / 369,200,443.22-509,386,000.75-212,563,522.88

Finding the Fourth Proportional to 369,200,443.22, 509,386,000.75 and 212,563,522.88

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Solution

The fourth proportional to 369,200,443.22, 509,386,000.75 and 212,563,522.88 is: 293,273,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,200,443.22 : 509,386,000.75 = 212,563,522.88 : x
  2. Step 2: Convert to fraction form
    369,200,443.22/509,386,000.75 = 212,563,522.88/x
  3. Step 3: Cross multiply
    369,200,443.22x = 509,386,000.75 × 212,563,522.88
  4. Step 4: Simplify right side
    369,200,443.22x = 108,276,882,825,174,320
  5. Step 5: Solve for x
    x = 108,276,882,825,174,320/369,200,443.22
  6. Step 6: Final answer
    x = 293,273,978.44

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1.5x scale

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.