Home / 712,627,003,853.45-983,460,598,065.28-442,052,534,335.82

Finding the Fourth Proportional to 712,627,003,853.45, 983,460,598,065.28 and 442,052,534,335.82

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Solution

The fourth proportional to 712,627,003,853.45, 983,460,598,065.28 and 442,052,534,335.82 is: 610,054,414,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,627,003,853.45 : 983,460,598,065.28 = 442,052,534,335.82 : x
  2. Step 2: Convert to fraction form
    712,627,003,853.45/983,460,598,065.28 = 442,052,534,335.82/x
  3. Step 3: Cross multiply
    712,627,003,853.45x = 983,460,598,065.28 × 442,052,534,335.82
  4. Step 4: Simplify right side
    712,627,003,853.45x = 434,741,249,794,178,296,053,760
  5. Step 5: Solve for x
    x = 434,741,249,794,178,296,053,760/712,627,003,853.45
  6. Step 6: Final answer
    x = 610,054,414,782.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.