Home / 684,405,837.82-944,480,307.95-371,139,968.76

Finding the Fourth Proportional to 684,405,837.82, 944,480,307.95 and 371,139,968.76

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Solution

The fourth proportional to 684,405,837.82, 944,480,307.95 and 371,139,968.76 is: 512,173,293.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,405,837.82 : 944,480,307.95 = 371,139,968.76 : x
  2. Step 2: Convert to fraction form
    684,405,837.82/944,480,307.95 = 371,139,968.76/x
  3. Step 3: Cross multiply
    684,405,837.82x = 944,480,307.95 × 371,139,968.76
  4. Step 4: Simplify right side
    684,405,837.82x = 350,534,391,986,998,208
  5. Step 5: Solve for x
    x = 350,534,391,986,998,208/684,405,837.82
  6. Step 6: Final answer
    x = 512,173,293.41

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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.