Home / 827,747,143.81-1,241,625,199.06-245,486,434.19

Finding the Fourth Proportional to 827,747,143.81, 1,241,625,199.06 and 245,486,434.19

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Solution

The fourth proportional to 827,747,143.81, 1,241,625,199.06 and 245,486,434.19 is: 368,230,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,747,143.81 : 1,241,625,199.06 = 245,486,434.19 : x
  2. Step 2: Convert to fraction form
    827,747,143.81/1,241,625,199.06 = 245,486,434.19/x
  3. Step 3: Cross multiply
    827,747,143.81x = 1,241,625,199.06 × 245,486,434.19
  4. Step 4: Simplify right side
    827,747,143.81x = 304,802,142,711,774,784
  5. Step 5: Solve for x
    x = 304,802,142,711,774,784/827,747,143.81
  6. Step 6: Final answer
    x = 368,230,980.91

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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.