Home / 511,081,725.54-766,316,189.16-234,386,378.40

Finding the Fourth Proportional to 511,081,725.54, 766,316,189.16 and 234,386,378.40

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Solution

The fourth proportional to 511,081,725.54, 766,316,189.16 and 234,386,378.40 is: 351,439,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,081,725.54 : 766,316,189.16 = 234,386,378.40 : x
  2. Step 2: Convert to fraction form
    511,081,725.54/766,316,189.16 = 234,386,378.40/x
  3. Step 3: Cross multiply
    511,081,725.54x = 766,316,189.16 × 234,386,378.40
  4. Step 4: Simplify right side
    511,081,725.54x = 179,614,076,286,501,728
  5. Step 5: Solve for x
    x = 179,614,076,286,501,728/511,081,725.54
  6. Step 6: Final answer
    x = 351,439,050.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.