Home / 453,993,936.70-680,990,905.05-224,411,424.70

Finding the Fourth Proportional to 453,993,936.70, 680,990,905.05 and 224,411,424.70

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Solution

The fourth proportional to 453,993,936.70, 680,990,905.05 and 224,411,424.70 is: 336,617,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,993,936.70 : 680,990,905.05 = 224,411,424.70 : x
  2. Step 2: Convert to fraction form
    453,993,936.70/680,990,905.05 = 224,411,424.70/x
  3. Step 3: Cross multiply
    453,993,936.70x = 680,990,905.05 × 224,411,424.70
  4. Step 4: Simplify right side
    453,993,936.70x = 152,822,139,210,012,896
  5. Step 5: Solve for x
    x = 152,822,139,210,012,896/453,993,936.70
  6. Step 6: Final answer
    x = 336,617,137.05

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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.