Home / 644,153,854.70-966,734,666.85-299,150,230.70

Finding the Fourth Proportional to 644,153,854.70, 966,734,666.85 and 299,150,230.70

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Solution

The fourth proportional to 644,153,854.70, 966,734,666.85 and 299,150,230.70 is: 448,959,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,153,854.70 : 966,734,666.85 = 299,150,230.70 : x
  2. Step 2: Convert to fraction form
    644,153,854.70/966,734,666.85 = 299,150,230.70/x
  3. Step 3: Cross multiply
    644,153,854.70x = 966,734,666.85 × 299,150,230.70
  4. Step 4: Simplify right side
    644,153,854.70x = 289,198,898,613,865,152
  5. Step 5: Solve for x
    x = 289,198,898,613,865,152/644,153,854.70
  6. Step 6: Final answer
    x = 448,959,354.20

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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.