Home / 458,842,954.60-688,263,806.46-213,065,191.72

Finding the Fourth Proportional to 458,842,954.60, 688,263,806.46 and 213,065,191.72

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Solution

The fourth proportional to 458,842,954.60, 688,263,806.46 and 213,065,191.72 is: 319,597,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,842,954.60 : 688,263,806.46 = 213,065,191.72 : x
  2. Step 2: Convert to fraction form
    458,842,954.60/688,263,806.46 = 213,065,191.72/x
  3. Step 3: Cross multiply
    458,842,954.60x = 688,263,806.46 × 213,065,191.72
  4. Step 4: Simplify right side
    458,842,954.60x = 146,645,059,877,336,896
  5. Step 5: Solve for x
    x = 146,645,059,877,336,896/458,842,954.60
  6. Step 6: Final answer
    x = 319,597,497.15

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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.