Home / 994,466,618.66-1,491,289,500.49-339,470,457.71

Finding the Fourth Proportional to 994,466,618.66, 1,491,289,500.49 and 339,470,457.71

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Solution

The fourth proportional to 994,466,618.66, 1,491,289,500.49 and 339,470,457.71 is: 509,065,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,466,618.66 : 1,491,289,500.49 = 339,470,457.71 : x
  2. Step 2: Convert to fraction form
    994,466,618.66/1,491,289,500.49 = 339,470,457.71/x
  3. Step 3: Cross multiply
    994,466,618.66x = 1,491,289,500.49 × 339,470,457.71
  4. Step 4: Simplify right side
    994,466,618.66x = 506,248,729,301,152,384
  5. Step 5: Solve for x
    x = 506,248,729,301,152,384/994,466,618.66
  6. Step 6: Final answer
    x = 509,065,583.30

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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.