Home / 298,862,207.40-448,377,291.90-145,513,266.60

Finding the Fourth Proportional to 298,862,207.40, 448,377,291.90 and 145,513,266.60

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Solution

The fourth proportional to 298,862,207.40, 448,377,291.90 and 145,513,266.60 is: 218,310,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,862,207.40 : 448,377,291.90 = 145,513,266.60 : x
  2. Step 2: Convert to fraction form
    298,862,207.40/448,377,291.90 = 145,513,266.60/x
  3. Step 3: Cross multiply
    298,862,207.40x = 448,377,291.90 × 145,513,266.60
  4. Step 4: Simplify right side
    298,862,207.40x = 65,244,844,413,630,712
  5. Step 5: Solve for x
    x = 65,244,844,413,630,712/298,862,207.40
  6. Step 6: Final answer
    x = 218,310,789.38

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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.