Home / 9,042,644,122.20-12,478,859,234.16-5,028,228,200.45

Finding the Fourth Proportional to 9,042,644,122.20, 12,478,859,234.16 and 5,028,228,200.45

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Solution

The fourth proportional to 9,042,644,122.20, 12,478,859,234.16 and 5,028,228,200.45 is: 6,938,960,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,644,122.20 : 12,478,859,234.16 = 5,028,228,200.45 : x
  2. Step 2: Convert to fraction form
    9,042,644,122.20/12,478,859,234.16 = 5,028,228,200.45/x
  3. Step 3: Cross multiply
    9,042,644,122.20x = 12,478,859,234.16 × 5,028,228,200.45
  4. Step 4: Simplify right side
    9,042,644,122.20x = 62,746,551,910,586,802,176
  5. Step 5: Solve for x
    x = 62,746,551,910,586,802,176/9,042,644,122.20
  6. Step 6: Final answer
    x = 6,938,960,669.32

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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.