Home / 311,042,430.80-466,563,646.20-188,598,424.40

Finding the Fourth Proportional to 311,042,430.80, 466,563,646.20 and 188,598,424.40

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Solution

The fourth proportional to 311,042,430.80, 466,563,646.20 and 188,598,424.40 is: 282,897,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,042,430.80 : 466,563,646.20 = 188,598,424.40 : x
  2. Step 2: Convert to fraction form
    311,042,430.80/466,563,646.20 = 188,598,424.40/x
  3. Step 3: Cross multiply
    311,042,430.80x = 466,563,646.20 × 188,598,424.40
  4. Step 4: Simplify right side
    311,042,430.80x = 87,993,168,555,639,040
  5. Step 5: Solve for x
    x = 87,993,168,555,639,040/311,042,430.80
  6. Step 6: Final answer
    x = 282,897,636.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.