Home / 491,882,918.40-737,718,089.40-215,533,598.40

Finding the Fourth Proportional to 491,882,918.40, 737,718,089.40 and 215,533,598.40

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Solution

The fourth proportional to 491,882,918.40, 737,718,089.40 and 215,533,598.40 is: 323,253,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,882,918.40 : 737,718,089.40 = 215,533,598.40 : x
  2. Step 2: Convert to fraction form
    491,882,918.40/737,718,089.40 = 215,533,598.40/x
  3. Step 3: Cross multiply
    491,882,918.40x = 737,718,089.40 × 215,533,598.40
  4. Step 4: Simplify right side
    491,882,918.40x = 159,003,034,413,154,912
  5. Step 5: Solve for x
    x = 159,003,034,413,154,912/491,882,918.40
  6. Step 6: Final answer
    x = 323,253,824.16

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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.