Home / 1,103,256,963.48-1,655,127,589.86-326,963,467.56

Finding the Fourth Proportional to 1,103,256,963.48, 1,655,127,589.86 and 326,963,467.56

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Solution

The fourth proportional to 1,103,256,963.48, 1,655,127,589.86 and 326,963,467.56 is: 490,516,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,256,963.48 : 1,655,127,589.86 = 326,963,467.56 : x
  2. Step 2: Convert to fraction form
    1,103,256,963.48/1,655,127,589.86 = 326,963,467.56/x
  3. Step 3: Cross multiply
    1,103,256,963.48x = 1,655,127,589.86 × 326,963,467.56
  4. Step 4: Simplify right side
    1,103,256,963.48x = 541,166,256,034,851,072
  5. Step 5: Solve for x
    x = 541,166,256,034,851,072/1,103,256,963.48
  6. Step 6: Final answer
    x = 490,516,963.82

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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.