Home / 988,972,918.20-1,483,671,953.70-298,949,923.80

Finding the Fourth Proportional to 988,972,918.20, 1,483,671,953.70 and 298,949,923.80

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Solution

The fourth proportional to 988,972,918.20, 1,483,671,953.70 and 298,949,923.80 is: 448,489,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,972,918.20 : 1,483,671,953.70 = 298,949,923.80 : x
  2. Step 2: Convert to fraction form
    988,972,918.20/1,483,671,953.70 = 298,949,923.80/x
  3. Step 3: Cross multiply
    988,972,918.20x = 1,483,671,953.70 × 298,949,923.80
  4. Step 4: Simplify right side
    988,972,918.20x = 443,543,617,502,812,160
  5. Step 5: Solve for x
    x = 443,543,617,502,812,160/988,972,918.20
  6. Step 6: Final answer
    x = 448,489,143.98

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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.