Home / 479,011,918.78-718,513,088.13-151,487,487.69

Finding the Fourth Proportional to 479,011,918.78, 718,513,088.13 and 151,487,487.69

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Solution

The fourth proportional to 479,011,918.78, 718,513,088.13 and 151,487,487.69 is: 227,229,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,011,918.78 : 718,513,088.13 = 151,487,487.69 : x
  2. Step 2: Convert to fraction form
    479,011,918.78/718,513,088.13 = 151,487,487.69/x
  3. Step 3: Cross multiply
    479,011,918.78x = 718,513,088.13 × 151,487,487.69
  4. Step 4: Simplify right side
    479,011,918.78x = 108,845,742,589,225,984
  5. Step 5: Solve for x
    x = 108,845,742,589,225,984/479,011,918.78
  6. Step 6: Final answer
    x = 227,229,716.68

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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.