Home / 394,864,135.64-544,905,807.27-218,648,347.58

Finding the Fourth Proportional to 394,864,135.64, 544,905,807.27 and 218,648,347.58

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Solution

The fourth proportional to 394,864,135.64, 544,905,807.27 and 218,648,347.58 is: 301,731,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,864,135.64 : 544,905,807.27 = 218,648,347.58 : x
  2. Step 2: Convert to fraction form
    394,864,135.64/544,905,807.27 = 218,648,347.58/x
  3. Step 3: Cross multiply
    394,864,135.64x = 544,905,807.27 × 218,648,347.58
  4. Step 4: Simplify right side
    394,864,135.64x = 119,142,754,346,331,456
  5. Step 5: Solve for x
    x = 119,142,754,346,331,456/394,864,135.64
  6. Step 6: Final answer
    x = 301,731,009.71

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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.