Home / 988,857,021.20-1,483,521,727.80-298,771,041.20

Finding the Fourth Proportional to 988,857,021.20, 1,483,521,727.80 and 298,771,041.20

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Solution

The fourth proportional to 988,857,021.20, 1,483,521,727.80 and 298,771,041.20 is: 448,227,925.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,857,021.20 : 1,483,521,727.80 = 298,771,041.20 : x
  2. Step 2: Convert to fraction form
    988,857,021.20/1,483,521,727.80 = 298,771,041.20/x
  3. Step 3: Cross multiply
    988,857,021.20x = 1,483,521,727.80 × 298,771,041.20
  4. Step 4: Simplify right side
    988,857,021.20x = 443,233,331,257,628,928
  5. Step 5: Solve for x
    x = 443,233,331,257,628,928/988,857,021.20
  6. Step 6: Final answer
    x = 448,227,925.53

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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.