Home / 307,152,001.70-460,728,002.55-298,648,945.70

Finding the Fourth Proportional to 307,152,001.70, 460,728,002.55 and 298,648,945.70

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Solution

The fourth proportional to 307,152,001.70, 460,728,002.55 and 298,648,945.70 is: 447,973,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,152,001.70 : 460,728,002.55 = 298,648,945.70 : x
  2. Step 2: Convert to fraction form
    307,152,001.70/460,728,002.55 = 298,648,945.70/x
  3. Step 3: Cross multiply
    307,152,001.70x = 460,728,002.55 × 298,648,945.70
  4. Step 4: Simplify right side
    307,152,001.70x = 137,595,932,216,024,416
  5. Step 5: Solve for x
    x = 137,595,932,216,024,416/307,152,001.70
  6. Step 6: Final answer
    x = 447,973,418.55

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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.