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Finding the Fourth Proportional to 1,199,719,741.56, 1,654,946,752.50 and 697,872,030

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Solution

The fourth proportional to 1,199,719,741.56, 1,654,946,752.50 and 697,872,030 is: 962,675,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,719,741.56 : 1,654,946,752.50 = 697,872,030 : x
  2. Step 2: Convert to fraction form
    1,199,719,741.56/1,654,946,752.50 = 697,872,030/x
  3. Step 3: Cross multiply
    1,199,719,741.56x = 1,654,946,752.50 × 697,872,030
  4. Step 4: Simplify right side
    1,199,719,741.56x = 1,154,941,049,709,082,624
  5. Step 5: Solve for x
    x = 1,154,941,049,709,082,624/1,199,719,741.56
  6. Step 6: Final answer
    x = 962,675,706.42

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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.