Home / 864,790,283.62-1,297,221,300.06-251,374,509.28

Finding the Fourth Proportional to 864,790,283.62, 1,297,221,300.06 and 251,374,509.28

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Solution

The fourth proportional to 864,790,283.62, 1,297,221,300.06 and 251,374,509.28 is: 377,072,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,790,283.62 : 1,297,221,300.06 = 251,374,509.28 : x
  2. Step 2: Convert to fraction form
    864,790,283.62/1,297,221,300.06 = 251,374,509.28/x
  3. Step 3: Cross multiply
    864,790,283.62x = 1,297,221,300.06 × 251,374,509.28
  4. Step 4: Simplify right side
    864,790,283.62x = 326,088,367,730,146,112
  5. Step 5: Solve for x
    x = 326,088,367,730,146,112/864,790,283.62
  6. Step 6: Final answer
    x = 377,072,191.84

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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.