Home / 618,098,688,098.70-927,148,032,148.05-518,919,042,914.70

Finding the Fourth Proportional to 618,098,688,098.70, 927,148,032,148.05 and 518,919,042,914.70

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Solution

The fourth proportional to 618,098,688,098.70, 927,148,032,148.05 and 518,919,042,914.70 is: 778,378,564,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,098,688,098.70 : 927,148,032,148.05 = 518,919,042,914.70 : x
  2. Step 2: Convert to fraction form
    618,098,688,098.70/927,148,032,148.05 = 518,919,042,914.70/x
  3. Step 3: Cross multiply
    618,098,688,098.70x = 927,148,032,148.05 × 518,919,042,914.70
  4. Step 4: Simplify right side
    618,098,688,098.70x = 481,114,769,482,513,647,665,152
  5. Step 5: Solve for x
    x = 481,114,769,482,513,647,665,152/618,098,688,098.70
  6. Step 6: Final answer
    x = 778,378,564,372.05

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Double scale
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Similar ratio
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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.