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Finding the Fourth Proportional to 713,610,011.70, 1,070,415,017.55 and 713,610,011.70

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Solution

The fourth proportional to 713,610,011.70, 1,070,415,017.55 and 713,610,011.70 is: 1,070,415,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,610,011.70 : 1,070,415,017.55 = 713,610,011.70 : x
  2. Step 2: Convert to fraction form
    713,610,011.70/1,070,415,017.55 = 713,610,011.70/x
  3. Step 3: Cross multiply
    713,610,011.70x = 1,070,415,017.55 × 713,610,011.70
  4. Step 4: Simplify right side
    713,610,011.70x = 763,858,873,197,711,232
  5. Step 5: Solve for x
    x = 763,858,873,197,711,232/713,610,011.70
  6. Step 6: Final answer
    x = 1,070,415,017.55

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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.