Home / 688,752,249.76-1,033,132,107.12-204,082,256.80

Finding the Fourth Proportional to 688,752,249.76, 1,033,132,107.12 and 204,082,256.80

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Solution

The fourth proportional to 688,752,249.76, 1,033,132,107.12 and 204,082,256.80 is: 306,124,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,752,249.76 : 1,033,132,107.12 = 204,082,256.80 : x
  2. Step 2: Convert to fraction form
    688,752,249.76/1,033,132,107.12 = 204,082,256.80/x
  3. Step 3: Cross multiply
    688,752,249.76x = 1,033,132,107.12 × 204,082,256.80
  4. Step 4: Simplify right side
    688,752,249.76x = 210,843,931,993,588,960
  5. Step 5: Solve for x
    x = 210,843,931,993,588,960/688,752,249.76
  6. Step 6: Final answer
    x = 306,124,491.16

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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.