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Finding the Fourth Proportional to 834,332,956.40, 1,170,484,786 and 834,332,956.40

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Solution

The fourth proportional to 834,332,956.40, 1,170,484,786 and 834,332,956.40 is: 1,170,484,786

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,332,956.40 : 1,170,484,786 = 834,332,956.40 : x
  2. Step 2: Convert to fraction form
    834,332,956.40/1,170,484,786 = 834,332,956.40/x
  3. Step 3: Cross multiply
    834,332,956.40x = 1,170,484,786 × 834,332,956.40
  4. Step 4: Simplify right side
    834,332,956.40x = 976,574,031,924,601,344
  5. Step 5: Solve for x
    x = 976,574,031,924,601,344/834,332,956.40
  6. Step 6: Final answer
    x = 1,170,484,786

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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.