Home / 522,637,988.07-784,501,769.88-231,709,421.37

Finding the Fourth Proportional to 522,637,988.07, 784,501,769.88 and 231,709,421.37

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Solution

The fourth proportional to 522,637,988.07, 784,501,769.88 and 231,709,421.37 is: 347,805,661.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,637,988.07 : 784,501,769.88 = 231,709,421.37 : x
  2. Step 2: Convert to fraction form
    522,637,988.07/784,501,769.88 = 231,709,421.37/x
  3. Step 3: Cross multiply
    522,637,988.07x = 784,501,769.88 × 231,709,421.37
  4. Step 4: Simplify right side
    522,637,988.07x = 181,776,451,162,635,712
  5. Step 5: Solve for x
    x = 181,776,451,162,635,712/522,637,988.07
  6. Step 6: Final answer
    x = 347,805,661.49

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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.