Home / 479,722,574-719,870,449.80-440,693,194.16

Finding the Fourth Proportional to 479,722,574, 719,870,449.80 and 440,693,194.16

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Solution

The fourth proportional to 479,722,574, 719,870,449.80 and 440,693,194.16 is: 661,303,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,722,574 : 719,870,449.80 = 440,693,194.16 : x
  2. Step 2: Convert to fraction form
    479,722,574/719,870,449.80 = 440,693,194.16/x
  3. Step 3: Cross multiply
    479,722,574x = 719,870,449.80 × 440,693,194.16
  4. Step 4: Simplify right side
    479,722,574x = 317,242,007,903,757,952
  5. Step 5: Solve for x
    x = 317,242,007,903,757,952/479,722,574
  6. Step 6: Final answer
    x = 661,303,063.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.