Home / 988,951,148.69-1,482,298,322.54-398,363,483.48

Finding the Fourth Proportional to 988,951,148.69, 1,482,298,322.54 and 398,363,483.48

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Solution

The fourth proportional to 988,951,148.69, 1,482,298,322.54 and 398,363,483.48 is: 597,090,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,951,148.69 : 1,482,298,322.54 = 398,363,483.48 : x
  2. Step 2: Convert to fraction form
    988,951,148.69/1,482,298,322.54 = 398,363,483.48/x
  3. Step 3: Cross multiply
    988,951,148.69x = 1,482,298,322.54 × 398,363,483.48
  4. Step 4: Simplify right side
    988,951,148.69x = 590,493,523,314,191,744
  5. Step 5: Solve for x
    x = 590,493,523,314,191,744/988,951,148.69
  6. Step 6: Final answer
    x = 597,090,689.56

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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.