Home / 1,640,374,048.16-2,263,716,186.11-897,818,110.91

Finding the Fourth Proportional to 1,640,374,048.16, 2,263,716,186.11 and 897,818,110.91

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Solution

The fourth proportional to 1,640,374,048.16, 2,263,716,186.11 and 897,818,110.91 is: 1,238,988,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,374,048.16 : 2,263,716,186.11 = 897,818,110.91 : x
  2. Step 2: Convert to fraction form
    1,640,374,048.16/2,263,716,186.11 = 897,818,110.91/x
  3. Step 3: Cross multiply
    1,640,374,048.16x = 2,263,716,186.11 × 897,818,110.91
  4. Step 4: Simplify right side
    1,640,374,048.16x = 2,032,405,389,833,862,400
  5. Step 5: Solve for x
    x = 2,032,405,389,833,862,400/1,640,374,048.16
  6. Step 6: Final answer
    x = 1,238,988,992.86

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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.