Home / 508,620,646.12-701,848,517.27-285,558,762.10

Finding the Fourth Proportional to 508,620,646.12, 701,848,517.27 and 285,558,762.10

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Solution

The fourth proportional to 508,620,646.12, 701,848,517.27 and 285,558,762.10 is: 394,044,157.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,620,646.12 : 701,848,517.27 = 285,558,762.10 : x
  2. Step 2: Convert to fraction form
    508,620,646.12/701,848,517.27 = 285,558,762.10/x
  3. Step 3: Cross multiply
    508,620,646.12x = 701,848,517.27 × 285,558,762.10
  4. Step 4: Simplify right side
    508,620,646.12x = 200,418,993,773,341,696
  5. Step 5: Solve for x
    x = 200,418,993,773,341,696/508,620,646.12
  6. Step 6: Final answer
    x = 394,044,157.08

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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.