Home / 719,263,864.27-992,580,483.46-389,239,003.27

Finding the Fourth Proportional to 719,263,864.27, 992,580,483.46 and 389,239,003.27

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Solution

The fourth proportional to 719,263,864.27, 992,580,483.46 and 389,239,003.27 is: 537,147,849.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,263,864.27 : 992,580,483.46 = 389,239,003.27 : x
  2. Step 2: Convert to fraction form
    719,263,864.27/992,580,483.46 = 389,239,003.27/x
  3. Step 3: Cross multiply
    719,263,864.27x = 992,580,483.46 × 389,239,003.27
  4. Step 4: Simplify right side
    719,263,864.27x = 386,351,038,042,262,208
  5. Step 5: Solve for x
    x = 386,351,038,042,262,208/719,263,864.27
  6. Step 6: Final answer
    x = 537,147,849.68

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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.