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Finding the Fourth Proportional to 618,098,688,021.85, 927,148,032,032.80 and 618,098,688,021.85

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Solution

The fourth proportional to 618,098,688,021.85, 927,148,032,032.80 and 618,098,688,021.85 is: 927,148,032,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,098,688,021.85 : 927,148,032,032.80 = 618,098,688,021.85 : x
  2. Step 2: Convert to fraction form
    618,098,688,021.85/927,148,032,032.80 = 618,098,688,021.85/x
  3. Step 3: Cross multiply
    618,098,688,021.85x = 927,148,032,032.80 × 618,098,688,021.85
  4. Step 4: Simplify right side
    618,098,688,021.85x = 573,068,982,201,513,823,698,944
  5. Step 5: Solve for x
    x = 573,068,982,201,513,823,698,944/618,098,688,021.85
  6. Step 6: Final answer
    x = 927,148,032,032.80

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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.