Home / 402,651,423.63-555,650,252.28-233,112,809.88

Finding the Fourth Proportional to 402,651,423.63, 555,650,252.28 and 233,112,809.88

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Solution

The fourth proportional to 402,651,423.63, 555,650,252.28 and 233,112,809.88 is: 321,690,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,651,423.63 : 555,650,252.28 = 233,112,809.88 : x
  2. Step 2: Convert to fraction form
    402,651,423.63/555,650,252.28 = 233,112,809.88/x
  3. Step 3: Cross multiply
    402,651,423.63x = 555,650,252.28 × 233,112,809.88
  4. Step 4: Simplify right side
    402,651,423.63x = 129,529,191,619,521,664
  5. Step 5: Solve for x
    x = 129,529,191,619,521,664/402,651,423.63
  6. Step 6: Final answer
    x = 321,690,633.68

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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.