Home / 394,444,289.79-544,507,461.14-235,730,404.71

Finding the Fourth Proportional to 394,444,289.79, 544,507,461.14 and 235,730,404.71

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Solution

The fourth proportional to 394,444,289.79, 544,507,461.14 and 235,730,404.71 is: 325,412,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,444,289.79 : 544,507,461.14 = 235,730,404.71 : x
  2. Step 2: Convert to fraction form
    394,444,289.79/544,507,461.14 = 235,730,404.71/x
  3. Step 3: Cross multiply
    394,444,289.79x = 544,507,461.14 × 235,730,404.71
  4. Step 4: Simplify right side
    394,444,289.79x = 128,356,964,180,968,144
  5. Step 5: Solve for x
    x = 128,356,964,180,968,144/394,444,289.79
  6. Step 6: Final answer
    x = 325,412,149.46

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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.