Home / 579,862,516.10-800,210,402.71-319,102,132.10

Finding the Fourth Proportional to 579,862,516.10, 800,210,402.71 and 319,102,132.10

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Solution

The fourth proportional to 579,862,516.10, 800,210,402.71 and 319,102,132.10 is: 440,361,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,862,516.10 : 800,210,402.71 = 319,102,132.10 : x
  2. Step 2: Convert to fraction form
    579,862,516.10/800,210,402.71 = 319,102,132.10/x
  3. Step 3: Cross multiply
    579,862,516.10x = 800,210,402.71 × 319,102,132.10
  4. Step 4: Simplify right side
    579,862,516.10x = 255,348,845,628,561,824
  5. Step 5: Solve for x
    x = 255,348,845,628,561,824/579,862,516.10
  6. Step 6: Final answer
    x = 440,361,014.10

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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.