Home / 618,098,688,114.70-927,148,032,172.05-518,919,042,930.70

Finding the Fourth Proportional to 618,098,688,114.70, 927,148,032,172.05 and 518,919,042,930.70

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Solution

The fourth proportional to 618,098,688,114.70, 927,148,032,172.05 and 518,919,042,930.70 is: 778,378,564,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,098,688,114.70 : 927,148,032,172.05 = 518,919,042,930.70 : x
  2. Step 2: Convert to fraction form
    618,098,688,114.70/927,148,032,172.05 = 518,919,042,930.70/x
  3. Step 3: Cross multiply
    618,098,688,114.70x = 927,148,032,172.05 × 518,919,042,930.70
  4. Step 4: Simplify right side
    618,098,688,114.70x = 481,114,769,509,802,057,924,608
  5. Step 5: Solve for x
    x = 481,114,769,509,802,057,924,608/618,098,688,114.70
  6. Step 6: Final answer
    x = 778,378,564,396.05

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Double scale
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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.