Home / 1,188,459,082.24-1,640,009,512.26-659,789,018.08

Finding the Fourth Proportional to 1,188,459,082.24, 1,640,009,512.26 and 659,789,018.08

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Solution

The fourth proportional to 1,188,459,082.24, 1,640,009,512.26 and 659,789,018.08 is: 910,473,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,459,082.24 : 1,640,009,512.26 = 659,789,018.08 : x
  2. Step 2: Convert to fraction form
    1,188,459,082.24/1,640,009,512.26 = 659,789,018.08/x
  3. Step 3: Cross multiply
    1,188,459,082.24x = 1,640,009,512.26 × 659,789,018.08
  4. Step 4: Simplify right side
    1,188,459,082.24x = 1,082,060,265,735,885,184
  5. Step 5: Solve for x
    x = 1,082,060,265,735,885,184/1,188,459,082.24
  6. Step 6: Final answer
    x = 910,473,302.70

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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.