Home / 808,331,427.10-1,212,497,140.65-550,051,101.10

Finding the Fourth Proportional to 808,331,427.10, 1,212,497,140.65 and 550,051,101.10

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Solution

The fourth proportional to 808,331,427.10, 1,212,497,140.65 and 550,051,101.10 is: 825,076,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,331,427.10 : 1,212,497,140.65 = 550,051,101.10 : x
  2. Step 2: Convert to fraction form
    808,331,427.10/1,212,497,140.65 = 550,051,101.10/x
  3. Step 3: Cross multiply
    808,331,427.10x = 1,212,497,140.65 × 550,051,101.10
  4. Step 4: Simplify right side
    808,331,427.10x = 666,935,387,295,134,208
  5. Step 5: Solve for x
    x = 666,935,387,295,134,208/808,331,427.10
  6. Step 6: Final answer
    x = 825,076,651.65

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Double scale
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Similar ratio
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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.