Home / 298,963,115.10-448,444,672.65-268,830,410.40

Finding the Fourth Proportional to 298,963,115.10, 448,444,672.65 and 268,830,410.40

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Solution

The fourth proportional to 298,963,115.10, 448,444,672.65 and 268,830,410.40 is: 403,245,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,963,115.10 : 448,444,672.65 = 268,830,410.40 : x
  2. Step 2: Convert to fraction form
    298,963,115.10/448,444,672.65 = 268,830,410.40/x
  3. Step 3: Cross multiply
    298,963,115.10x = 448,444,672.65 × 268,830,410.40
  4. Step 4: Simplify right side
    298,963,115.10x = 120,555,565,390,193,136
  5. Step 5: Solve for x
    x = 120,555,565,390,193,136/298,963,115.10
  6. Step 6: Final answer
    x = 403,245,615.60

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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.