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Finding the Fourth Proportional to 935,203,046.40, 1,312,150,809.60 and 935,203,046.40

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Solution

The fourth proportional to 935,203,046.40, 1,312,150,809.60 and 935,203,046.40 is: 1,312,150,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,203,046.40 : 1,312,150,809.60 = 935,203,046.40 : x
  2. Step 2: Convert to fraction form
    935,203,046.40/1,312,150,809.60 = 935,203,046.40/x
  3. Step 3: Cross multiply
    935,203,046.40x = 1,312,150,809.60 × 935,203,046.40
  4. Step 4: Simplify right side
    935,203,046.40x = 1,227,127,434,474,146,304
  5. Step 5: Solve for x
    x = 1,227,127,434,474,146,304/935,203,046.40
  6. Step 6: Final answer
    x = 1,312,150,809.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.