Home / 498,988,000.60-688,568,483.82-290,129,325.64

Finding the Fourth Proportional to 498,988,000.60, 688,568,483.82 and 290,129,325.64

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Solution

The fourth proportional to 498,988,000.60, 688,568,483.82 and 290,129,325.64 is: 400,358,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,988,000.60 : 688,568,483.82 = 290,129,325.64 : x
  2. Step 2: Convert to fraction form
    498,988,000.60/688,568,483.82 = 290,129,325.64/x
  3. Step 3: Cross multiply
    498,988,000.60x = 688,568,483.82 × 290,129,325.64
  4. Step 4: Simplify right side
    498,988,000.60x = 199,773,909,867,653,856
  5. Step 5: Solve for x
    x = 199,773,909,867,653,856/498,988,000.60
  6. Step 6: Final answer
    x = 400,358,144.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.