Home / 674,028,002.70-1,011,042,004.05-328,803,929.10

Finding the Fourth Proportional to 674,028,002.70, 1,011,042,004.05 and 328,803,929.10

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Solution

The fourth proportional to 674,028,002.70, 1,011,042,004.05 and 328,803,929.10 is: 493,205,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,028,002.70 : 1,011,042,004.05 = 328,803,929.10 : x
  2. Step 2: Convert to fraction form
    674,028,002.70/1,011,042,004.05 = 328,803,929.10/x
  3. Step 3: Cross multiply
    674,028,002.70x = 1,011,042,004.05 × 328,803,929.10
  4. Step 4: Simplify right side
    674,028,002.70x = 332,434,583,416,778,112
  5. Step 5: Solve for x
    x = 332,434,583,416,778,112/674,028,002.70
  6. Step 6: Final answer
    x = 493,205,893.65

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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.