Home / 444,705,117.56-613,335,225.71-390,944,831.26

Finding the Fourth Proportional to 444,705,117.56, 613,335,225.71 and 390,944,831.26

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Solution

The fourth proportional to 444,705,117.56, 613,335,225.71 and 390,944,831.26 is: 539,189,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,705,117.56 : 613,335,225.71 = 390,944,831.26 : x
  2. Step 2: Convert to fraction form
    444,705,117.56/613,335,225.71 = 390,944,831.26/x
  3. Step 3: Cross multiply
    444,705,117.56x = 613,335,225.71 × 390,944,831.26
  4. Step 4: Simplify right side
    444,705,117.56x = 239,780,236,315,988,576
  5. Step 5: Solve for x
    x = 239,780,236,315,988,576/444,705,117.56
  6. Step 6: Final answer
    x = 539,189,289.37

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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.