Home / 699,518,533.80-1,049,277,800.70-214,781,356.20

Finding the Fourth Proportional to 699,518,533.80, 1,049,277,800.70 and 214,781,356.20

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Solution

The fourth proportional to 699,518,533.80, 1,049,277,800.70 and 214,781,356.20 is: 322,172,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,518,533.80 : 1,049,277,800.70 = 214,781,356.20 : x
  2. Step 2: Convert to fraction form
    699,518,533.80/1,049,277,800.70 = 214,781,356.20/x
  3. Step 3: Cross multiply
    699,518,533.80x = 1,049,277,800.70 × 214,781,356.20
  4. Step 4: Simplify right side
    699,518,533.80x = 225,365,309,064,899,296
  5. Step 5: Solve for x
    x = 225,365,309,064,899,296/699,518,533.80
  6. Step 6: Final answer
    x = 322,172,034.30

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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.