Home / 443,173,445.22-611,655,297.33-257,642,077.71

Finding the Fourth Proportional to 443,173,445.22, 611,655,297.33 and 257,642,077.71

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Solution

The fourth proportional to 443,173,445.22, 611,655,297.33 and 257,642,077.71 is: 355,590,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,173,445.22 : 611,655,297.33 = 257,642,077.71 : x
  2. Step 2: Convert to fraction form
    443,173,445.22/611,655,297.33 = 257,642,077.71/x
  3. Step 3: Cross multiply
    443,173,445.22x = 611,655,297.33 × 257,642,077.71
  4. Step 4: Simplify right side
    443,173,445.22x = 157,588,141,646,429,024
  5. Step 5: Solve for x
    x = 157,588,141,646,429,024/443,173,445.22
  6. Step 6: Final answer
    x = 355,590,217.21

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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.