Home / 5,215,510,477.60-7,820,578,330.80-1,942,274,816.80

Finding the Fourth Proportional to 5,215,510,477.60, 7,820,578,330.80 and 1,942,274,816.80

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Solution

The fourth proportional to 5,215,510,477.60, 7,820,578,330.80 and 1,942,274,816.80 is: 2,912,411,433.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,510,477.60 : 7,820,578,330.80 = 1,942,274,816.80 : x
  2. Step 2: Convert to fraction form
    5,215,510,477.60/7,820,578,330.80 = 1,942,274,816.80/x
  3. Step 3: Cross multiply
    5,215,510,477.60x = 7,820,578,330.80 × 1,942,274,816.80
  4. Step 4: Simplify right side
    5,215,510,477.60x = 15,189,712,344,724,619,264
  5. Step 5: Solve for x
    x = 15,189,712,344,724,619,264/5,215,510,477.60
  6. Step 6: Final answer
    x = 2,912,411,433.16

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1.5x scale

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.