Home / 298,944,008.60-448,416,012.90-292,225,544.60

Finding the Fourth Proportional to 298,944,008.60, 448,416,012.90 and 292,225,544.60

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Solution

The fourth proportional to 298,944,008.60, 448,416,012.90 and 292,225,544.60 is: 438,338,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,944,008.60 : 448,416,012.90 = 292,225,544.60 : x
  2. Step 2: Convert to fraction form
    298,944,008.60/448,416,012.90 = 292,225,544.60/x
  3. Step 3: Cross multiply
    298,944,008.60x = 448,416,012.90 × 292,225,544.60
  4. Step 4: Simplify right side
    298,944,008.60x = 131,038,613,577,063,136
  5. Step 5: Solve for x
    x = 131,038,613,577,063,136/298,944,008.60
  6. Step 6: Final answer
    x = 438,338,316.90

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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.