Home / 876,656,236.38-1,209,905,965.49-537,504,717.02

Finding the Fourth Proportional to 876,656,236.38, 1,209,905,965.49 and 537,504,717.02

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Solution

The fourth proportional to 876,656,236.38, 1,209,905,965.49 and 537,504,717.02 is: 741,830,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,656,236.38 : 1,209,905,965.49 = 537,504,717.02 : x
  2. Step 2: Convert to fraction form
    876,656,236.38/1,209,905,965.49 = 537,504,717.02/x
  3. Step 3: Cross multiply
    876,656,236.38x = 1,209,905,965.49 × 537,504,717.02
  4. Step 4: Simplify right side
    876,656,236.38x = 650,330,163,601,512,320
  5. Step 5: Solve for x
    x = 650,330,163,601,512,320/876,656,236.38
  6. Step 6: Final answer
    x = 741,830,305.44

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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.