Home / 612,912,617,701.20-845,845,108,596.30-352,490,530,207.20

Finding the Fourth Proportional to 612,912,617,701.20, 845,845,108,596.30 and 352,490,530,207.20

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Solution

The fourth proportional to 612,912,617,701.20, 845,845,108,596.30 and 352,490,530,207.20 is: 486,451,709,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,912,617,701.20 : 845,845,108,596.30 = 352,490,530,207.20 : x
  2. Step 2: Convert to fraction form
    612,912,617,701.20/845,845,108,596.30 = 352,490,530,207.20/x
  3. Step 3: Cross multiply
    612,912,617,701.20x = 845,845,108,596.30 × 352,490,530,207.20
  4. Step 4: Simplify right side
    612,912,617,701.20x = 298,152,390,802,276,469,440,512
  5. Step 5: Solve for x
    x = 298,152,390,802,276,469,440,512/612,912,617,701.20
  6. Step 6: Final answer
    x = 486,451,709,740.50

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Double scale
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1.5x scale

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.