Home / 805,753,472,498.40-1,111,955,269,200.20-439,962,179,130.70

Finding the Fourth Proportional to 805,753,472,498.40, 1,111,955,269,200.20 and 439,962,179,130.70

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Solution

The fourth proportional to 805,753,472,498.40, 1,111,955,269,200.20 and 439,962,179,130.70 is: 607,156,258,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,753,472,498.40 : 1,111,955,269,200.20 = 439,962,179,130.70 : x
  2. Step 2: Convert to fraction form
    805,753,472,498.40/1,111,955,269,200.20 = 439,962,179,130.70/x
  3. Step 3: Cross multiply
    805,753,472,498.40x = 1,111,955,269,200.20 × 439,962,179,130.70
  4. Step 4: Simplify right side
    805,753,472,498.40x = 489,218,263,333,184,122,912,768
  5. Step 5: Solve for x
    x = 489,218,263,333,184,122,912,768/805,753,472,498.40
  6. Step 6: Final answer
    x = 607,156,258,124.79

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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.