Home / 409,081,255.76-564,528,401.16-223,442,220.08

Finding the Fourth Proportional to 409,081,255.76, 564,528,401.16 and 223,442,220.08

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Solution

The fourth proportional to 409,081,255.76, 564,528,401.16 and 223,442,220.08 is: 308,348,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,081,255.76 : 564,528,401.16 = 223,442,220.08 : x
  2. Step 2: Convert to fraction form
    409,081,255.76/564,528,401.16 = 223,442,220.08/x
  3. Step 3: Cross multiply
    409,081,255.76x = 564,528,401.16 × 223,442,220.08
  4. Step 4: Simplify right side
    409,081,255.76x = 126,139,479,253,403,248
  5. Step 5: Solve for x
    x = 126,139,479,253,403,248/409,081,255.76
  6. Step 6: Final answer
    x = 308,348,225.39

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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.