Home / 521,724,357.58-719,969,927.61-286,769,995.24

Finding the Fourth Proportional to 521,724,357.58, 719,969,927.61 and 286,769,995.24

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Solution

The fourth proportional to 521,724,357.58, 719,969,927.61 and 286,769,995.24 is: 395,737,269.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,724,357.58 : 719,969,927.61 = 286,769,995.24 : x
  2. Step 2: Convert to fraction form
    521,724,357.58/719,969,927.61 = 286,769,995.24/x
  3. Step 3: Cross multiply
    521,724,357.58x = 719,969,927.61 × 286,769,995.24
  4. Step 4: Simplify right side
    521,724,357.58x = 206,465,772,713,662,848
  5. Step 5: Solve for x
    x = 206,465,772,713,662,848/521,724,357.58
  6. Step 6: Final answer
    x = 395,737,269.53

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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.