Home / 297,217,206.60-445,400,657.10-218,882,803.20

Finding the Fourth Proportional to 297,217,206.60, 445,400,657.10 and 218,882,803.20

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Solution

The fourth proportional to 297,217,206.60, 445,400,657.10 and 218,882,803.20 is: 328,011,105.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,217,206.60 : 445,400,657.10 = 218,882,803.20 : x
  2. Step 2: Convert to fraction form
    297,217,206.60/445,400,657.10 = 218,882,803.20/x
  3. Step 3: Cross multiply
    297,217,206.60x = 445,400,657.10 × 218,882,803.20
  4. Step 4: Simplify right side
    297,217,206.60x = 97,490,544,373,169,984
  5. Step 5: Solve for x
    x = 97,490,544,373,169,984/297,217,206.60
  6. Step 6: Final answer
    x = 328,011,105.04

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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.