Home / 521,352,422.08-719,466,814.02-286,418,301.64

Finding the Fourth Proportional to 521,352,422.08, 719,466,814.02 and 286,418,301.64

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Solution

The fourth proportional to 521,352,422.08, 719,466,814.02 and 286,418,301.64 is: 395,257,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,352,422.08 : 719,466,814.02 = 286,418,301.64 : x
  2. Step 2: Convert to fraction form
    521,352,422.08/719,466,814.02 = 286,418,301.64/x
  3. Step 3: Cross multiply
    521,352,422.08x = 719,466,814.02 × 286,418,301.64
  4. Step 4: Simplify right side
    521,352,422.08x = 206,068,462,957,950,112
  5. Step 5: Solve for x
    x = 206,068,462,957,950,112/521,352,422.08
  6. Step 6: Final answer
    x = 395,257,515.32

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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.