Home / 521,724,356.58-719,969,926.23-286,769,994.24

Finding the Fourth Proportional to 521,724,356.58, 719,969,926.23 and 286,769,994.24

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Solution

The fourth proportional to 521,724,356.58, 719,969,926.23 and 286,769,994.24 is: 395,737,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,724,356.58 : 719,969,926.23 = 286,769,994.24 : x
  2. Step 2: Convert to fraction form
    521,724,356.58/719,969,926.23 = 286,769,994.24/x
  3. Step 3: Cross multiply
    521,724,356.58x = 719,969,926.23 × 286,769,994.24
  4. Step 4: Simplify right side
    521,724,356.58x = 206,465,771,597,950,336
  5. Step 5: Solve for x
    x = 206,465,771,597,950,336/521,724,356.58
  6. Step 6: Final answer
    x = 395,737,268.15

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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.