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Finding the Fourth Proportional to 776,324,931.64, 1,164,078,789.86 and 530,751,795.88

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Solution

The fourth proportional to 776,324,931.64, 1,164,078,789.86 and 530,751,795.88 is: 795,848,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,324,931.64 : 1,164,078,789.86 = 530,751,795.88 : x
  2. Step 2: Convert to fraction form
    776,324,931.64/1,164,078,789.86 = 530,751,795.88/x
  3. Step 3: Cross multiply
    776,324,931.64x = 1,164,078,789.86 × 530,751,795.88
  4. Step 4: Simplify right side
    776,324,931.64x = 617,836,908,264,012,032
  5. Step 5: Solve for x
    x = 617,836,908,264,012,032/776,324,931.64
  6. Step 6: Final answer
    x = 795,848,340.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.