Home / 395,756,912.16-546,210,009.48-219,601,658.64

Finding the Fourth Proportional to 395,756,912.16, 546,210,009.48 and 219,601,658.64

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Solution

The fourth proportional to 395,756,912.16, 546,210,009.48 and 219,601,658.64 is: 303,086,617.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,756,912.16 : 546,210,009.48 = 219,601,658.64 : x
  2. Step 2: Convert to fraction form
    395,756,912.16/546,210,009.48 = 219,601,658.64/x
  3. Step 3: Cross multiply
    395,756,912.16x = 546,210,009.48 × 219,601,658.64
  4. Step 4: Simplify right side
    395,756,912.16x = 119,948,624,047,578,128
  5. Step 5: Solve for x
    x = 119,948,624,047,578,128/395,756,912.16
  6. Step 6: Final answer
    x = 303,086,617.98

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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.