Home / 1,369,536,026.76-1,889,963,340.66-743,004,434.76

Finding the Fourth Proportional to 1,369,536,026.76, 1,889,963,340.66 and 743,004,434.76

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Solution

The fourth proportional to 1,369,536,026.76, 1,889,963,340.66 and 743,004,434.76 is: 1,025,348,085.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,536,026.76 : 1,889,963,340.66 = 743,004,434.76 : x
  2. Step 2: Convert to fraction form
    1,369,536,026.76/1,889,963,340.66 = 743,004,434.76/x
  3. Step 3: Cross multiply
    1,369,536,026.76x = 1,889,963,340.66 × 743,004,434.76
  4. Step 4: Simplify right side
    1,369,536,026.76x = 1,404,251,143,644,204,544
  5. Step 5: Solve for x
    x = 1,404,251,143,644,204,544/1,369,536,026.76
  6. Step 6: Final answer
    x = 1,025,348,085.93

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Double scale
Find fourth proportional to 1,369,536,027.76, 1,889,963,342.04 and 743,004,435.76
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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.