Home / 827,688,298-1,241,743,332.12-245,443,812.88

Finding the Fourth Proportional to 827,688,298, 1,241,743,332.12 and 245,443,812.88

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Solution

The fourth proportional to 827,688,298, 1,241,743,332.12 and 245,443,812.88 is: 368,228,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,688,298 : 1,241,743,332.12 = 245,443,812.88 : x
  2. Step 2: Convert to fraction form
    827,688,298/1,241,743,332.12 = 245,443,812.88/x
  3. Step 3: Cross multiply
    827,688,298x = 1,241,743,332.12 × 245,443,812.88
  4. Step 4: Simplify right side
    827,688,298x = 304,778,218,053,848,960
  5. Step 5: Solve for x
    x = 304,778,218,053,848,960/827,688,298
  6. Step 6: Final answer
    x = 368,228,255.48

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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.