Home / 298,963,113.60-448,444,670.40-268,830,408.90

Finding the Fourth Proportional to 298,963,113.60, 448,444,670.40 and 268,830,408.90

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Solution

The fourth proportional to 298,963,113.60, 448,444,670.40 and 268,830,408.90 is: 403,245,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,963,113.60 : 448,444,670.40 = 268,830,408.90 : x
  2. Step 2: Convert to fraction form
    298,963,113.60/448,444,670.40 = 268,830,408.90/x
  3. Step 3: Cross multiply
    298,963,113.60x = 448,444,670.40 × 268,830,408.90
  4. Step 4: Simplify right side
    298,963,113.60x = 120,555,564,112,657,712
  5. Step 5: Solve for x
    x = 120,555,564,112,657,712/298,963,113.60
  6. Step 6: Final answer
    x = 403,245,613.35

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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.