Home / 618,098,688,086.44-927,148,032,129.70-518,919,042,902.46

Finding the Fourth Proportional to 618,098,688,086.44, 927,148,032,129.70 and 518,919,042,902.46

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Solution

The fourth proportional to 618,098,688,086.44, 927,148,032,129.70 and 518,919,042,902.46 is: 778,378,564,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,098,688,086.44 : 927,148,032,129.70 = 518,919,042,902.46 : x
  2. Step 2: Convert to fraction form
    618,098,688,086.44/927,148,032,129.70 = 518,919,042,902.46/x
  3. Step 3: Cross multiply
    618,098,688,086.44x = 927,148,032,129.70 × 518,919,042,902.46
  4. Step 4: Simplify right side
    618,098,688,086.44x = 481,114,769,461,643,126,505,472
  5. Step 5: Solve for x
    x = 481,114,769,461,643,126,505,472/618,098,688,086.44
  6. Step 6: Final answer
    x = 778,378,564,353.72

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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.