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Finding the Fourth Proportional to 618,098,688,020.85, 927,148,032,031.30 and 618,098,688,020.85

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Solution

The fourth proportional to 618,098,688,020.85, 927,148,032,031.30 and 618,098,688,020.85 is: 927,148,032,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,098,688,020.85 : 927,148,032,031.30 = 618,098,688,020.85 : x
  2. Step 2: Convert to fraction form
    618,098,688,020.85/927,148,032,031.30 = 618,098,688,020.85/x
  3. Step 3: Cross multiply
    618,098,688,020.85x = 927,148,032,031.30 × 618,098,688,020.85
  4. Step 4: Simplify right side
    618,098,688,020.85x = 573,068,982,199,659,538,677,760
  5. Step 5: Solve for x
    x = 573,068,982,199,659,538,677,760/618,098,688,020.85
  6. Step 6: Final answer
    x = 927,148,032,031.30

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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.