Home / 840,808,052.82-1,160,292,623.83-464,456,540.86

Finding the Fourth Proportional to 840,808,052.82, 1,160,292,623.83 and 464,456,540.86

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Solution

The fourth proportional to 840,808,052.82, 1,160,292,623.83 and 464,456,540.86 is: 640,937,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,808,052.82 : 1,160,292,623.83 = 464,456,540.86 : x
  2. Step 2: Convert to fraction form
    840,808,052.82/1,160,292,623.83 = 464,456,540.86/x
  3. Step 3: Cross multiply
    840,808,052.82x = 1,160,292,623.83 × 464,456,540.86
  4. Step 4: Simplify right side
    840,808,052.82x = 538,905,498,445,393,216
  5. Step 5: Solve for x
    x = 538,905,498,445,393,216/840,808,052.82
  6. Step 6: Final answer
    x = 640,937,603.58

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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.