Home / 704,077,175.20-1,056,115,762.80-643,561,232.80

Finding the Fourth Proportional to 704,077,175.20, 1,056,115,762.80 and 643,561,232.80

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Solution

The fourth proportional to 704,077,175.20, 1,056,115,762.80 and 643,561,232.80 is: 965,341,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,077,175.20 : 1,056,115,762.80 = 643,561,232.80 : x
  2. Step 2: Convert to fraction form
    704,077,175.20/1,056,115,762.80 = 643,561,232.80/x
  3. Step 3: Cross multiply
    704,077,175.20x = 1,056,115,762.80 × 643,561,232.80
  4. Step 4: Simplify right side
    704,077,175.20x = 679,675,162,287,080,320
  5. Step 5: Solve for x
    x = 679,675,162,287,080,320/704,077,175.20
  6. Step 6: Final answer
    x = 965,341,849.20

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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.