Home / 988,851,518.70-1,483,513,474.05-298,765,538.70

Finding the Fourth Proportional to 988,851,518.70, 1,483,513,474.05 and 298,765,538.70

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Solution

The fourth proportional to 988,851,518.70, 1,483,513,474.05 and 298,765,538.70 is: 448,219,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,851,518.70 : 1,483,513,474.05 = 298,765,538.70 : x
  2. Step 2: Convert to fraction form
    988,851,518.70/1,483,513,474.05 = 298,765,538.70/x
  3. Step 3: Cross multiply
    988,851,518.70x = 1,483,513,474.05 × 298,765,538.70
  4. Step 4: Simplify right side
    988,851,518.70x = 443,222,702,243,256,704
  5. Step 5: Solve for x
    x = 443,222,702,243,256,704/988,851,518.70
  6. Step 6: Final answer
    x = 448,219,670.86

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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.