Home / 579,862,464.22-800,210,331.12-319,102,080.22

Finding the Fourth Proportional to 579,862,464.22, 800,210,331.12 and 319,102,080.22

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Solution

The fourth proportional to 579,862,464.22, 800,210,331.12 and 319,102,080.22 is: 440,360,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,862,464.22 : 800,210,331.12 = 319,102,080.22 : x
  2. Step 2: Convert to fraction form
    579,862,464.22/800,210,331.12 = 319,102,080.22/x
  3. Step 3: Cross multiply
    579,862,464.22x = 800,210,331.12 × 319,102,080.22
  4. Step 4: Simplify right side
    579,862,464.22x = 255,348,781,273,927,040
  5. Step 5: Solve for x
    x = 255,348,781,273,927,040/579,862,464.22
  6. Step 6: Final answer
    x = 440,360,942.52

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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.