Home / 803,838,709.17-1,205,624,327.03-243,467,307.50

Finding the Fourth Proportional to 803,838,709.17, 1,205,624,327.03 and 243,467,307.50

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Solution

The fourth proportional to 803,838,709.17, 1,205,624,327.03 and 243,467,307.50 is: 365,160,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,838,709.17 : 1,205,624,327.03 = 243,467,307.50 : x
  2. Step 2: Convert to fraction form
    803,838,709.17/1,205,624,327.03 = 243,467,307.50/x
  3. Step 3: Cross multiply
    803,838,709.17x = 1,205,624,327.03 × 243,467,307.50
  4. Step 4: Simplify right side
    803,838,709.17x = 293,530,108,758,493,568
  5. Step 5: Solve for x
    x = 293,530,108,758,493,568/803,838,709.17
  6. Step 6: Final answer
    x = 365,160,454.96

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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.