Home / 618,098,688,099.45-927,148,032,149.17-518,919,042,915.45

Finding the Fourth Proportional to 618,098,688,099.45, 927,148,032,149.17 and 518,919,042,915.45

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Solution

The fourth proportional to 618,098,688,099.45, 927,148,032,149.17 and 518,919,042,915.45 is: 778,378,564,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,098,688,099.45 : 927,148,032,149.17 = 518,919,042,915.45 : x
  2. Step 2: Convert to fraction form
    618,098,688,099.45/927,148,032,149.17 = 518,919,042,915.45/x
  3. Step 3: Cross multiply
    618,098,688,099.45x = 927,148,032,149.17 × 518,919,042,915.45
  4. Step 4: Simplify right side
    618,098,688,099.45x = 481,114,769,483,790,192,476,160
  5. Step 5: Solve for x
    x = 481,114,769,483,790,192,476,160/618,098,688,099.45
  6. Step 6: Final answer
    x = 778,378,564,373.17

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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.