Home / 699,841,214.70-1,049,761,822.05-215,104,037.10

Finding the Fourth Proportional to 699,841,214.70, 1,049,761,822.05 and 215,104,037.10

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Solution

The fourth proportional to 699,841,214.70, 1,049,761,822.05 and 215,104,037.10 is: 322,656,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,841,214.70 : 1,049,761,822.05 = 215,104,037.10 : x
  2. Step 2: Convert to fraction form
    699,841,214.70/1,049,761,822.05 = 215,104,037.10/x
  3. Step 3: Cross multiply
    699,841,214.70x = 1,049,761,822.05 × 215,104,037.10
  4. Step 4: Simplify right side
    699,841,214.70x = 225,808,005,916,406,784
  5. Step 5: Solve for x
    x = 225,808,005,916,406,784/699,841,214.70
  6. Step 6: Final answer
    x = 322,656,055.65

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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.