Home / 387,072,001.80-580,608,002.70-216,848,795.40

Finding the Fourth Proportional to 387,072,001.80, 580,608,002.70 and 216,848,795.40

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Solution

The fourth proportional to 387,072,001.80, 580,608,002.70 and 216,848,795.40 is: 325,273,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,072,001.80 : 580,608,002.70 = 216,848,795.40 : x
  2. Step 2: Convert to fraction form
    387,072,001.80/580,608,002.70 = 216,848,795.40/x
  3. Step 3: Cross multiply
    387,072,001.80x = 580,608,002.70 × 216,848,795.40
  4. Step 4: Simplify right side
    387,072,001.80x = 125,904,145,985,094,960
  5. Step 5: Solve for x
    x = 125,904,145,985,094,960/387,072,001.80
  6. Step 6: Final answer
    x = 325,273,193.10

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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.