Home / 5,318,793,047.80-7,978,189,571.70-1,637,820,105.40

Finding the Fourth Proportional to 5,318,793,047.80, 7,978,189,571.70 and 1,637,820,105.40

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Solution

The fourth proportional to 5,318,793,047.80, 7,978,189,571.70 and 1,637,820,105.40 is: 2,456,730,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,793,047.80 : 7,978,189,571.70 = 1,637,820,105.40 : x
  2. Step 2: Convert to fraction form
    5,318,793,047.80/7,978,189,571.70 = 1,637,820,105.40/x
  3. Step 3: Cross multiply
    5,318,793,047.80x = 7,978,189,571.70 × 1,637,820,105.40
  4. Step 4: Simplify right side
    5,318,793,047.80x = 13,066,839,285,222,875,136
  5. Step 5: Solve for x
    x = 13,066,839,285,222,875,136/5,318,793,047.80
  6. Step 6: Final answer
    x = 2,456,730,158.10

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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.