Home / 618,098,688,187.20-927,148,032,280.80-221,053,590,100.80

Finding the Fourth Proportional to 618,098,688,187.20, 927,148,032,280.80 and 221,053,590,100.80

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Solution

The fourth proportional to 618,098,688,187.20, 927,148,032,280.80 and 221,053,590,100.80 is: 331,580,385,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,098,688,187.20 : 927,148,032,280.80 = 221,053,590,100.80 : x
  2. Step 2: Convert to fraction form
    618,098,688,187.20/927,148,032,280.80 = 221,053,590,100.80/x
  3. Step 3: Cross multiply
    618,098,688,187.20x = 927,148,032,280.80 × 221,053,590,100.80
  4. Step 4: Simplify right side
    618,098,688,187.20x = 204,949,401,090,563,241,934,848
  5. Step 5: Solve for x
    x = 204,949,401,090,563,241,934,848/618,098,688,187.20
  6. Step 6: Final answer
    x = 331,580,385,151.20

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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.