Home / 1,489,437,564.17-2,055,423,741.13-863,269,201.56

Finding the Fourth Proportional to 1,489,437,564.17, 2,055,423,741.13 and 863,269,201.56

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Solution

The fourth proportional to 1,489,437,564.17, 2,055,423,741.13 and 863,269,201.56 is: 1,191,311,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,437,564.17 : 2,055,423,741.13 = 863,269,201.56 : x
  2. Step 2: Convert to fraction form
    1,489,437,564.17/2,055,423,741.13 = 863,269,201.56/x
  3. Step 3: Cross multiply
    1,489,437,564.17x = 2,055,423,741.13 × 863,269,201.56
  4. Step 4: Simplify right side
    1,489,437,564.17x = 1,774,384,011,868,446,720
  5. Step 5: Solve for x
    x = 1,774,384,011,868,446,720/1,489,437,564.17
  6. Step 6: Final answer
    x = 1,191,311,441.68

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Double scale
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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.