Home / 722,379,615.36-996,713,094.24-425,034,836.16

Finding the Fourth Proportional to 722,379,615.36, 996,713,094.24 and 425,034,836.16

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Solution

The fourth proportional to 722,379,615.36, 996,713,094.24 and 425,034,836.16 is: 586,447,593.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,379,615.36 : 996,713,094.24 = 425,034,836.16 : x
  2. Step 2: Convert to fraction form
    722,379,615.36/996,713,094.24 = 425,034,836.16/x
  3. Step 3: Cross multiply
    722,379,615.36x = 996,713,094.24 × 425,034,836.16
  4. Step 4: Simplify right side
    722,379,615.36x = 423,637,786,708,825,088
  5. Step 5: Solve for x
    x = 423,637,786,708,825,088/722,379,615.36
  6. Step 6: Final answer
    x = 586,447,593.07

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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.