Home / 5,391,880,978.80-8,088,717,263.40-2,120,436,908.40

Finding the Fourth Proportional to 5,391,880,978.80, 8,088,717,263.40 and 2,120,436,908.40

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Solution

The fourth proportional to 5,391,880,978.80, 8,088,717,263.40 and 2,120,436,908.40 is: 3,181,007,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,880,978.80 : 8,088,717,263.40 = 2,120,436,908.40 : x
  2. Step 2: Convert to fraction form
    5,391,880,978.80/8,088,717,263.40 = 2,120,436,908.40/x
  3. Step 3: Cross multiply
    5,391,880,978.80x = 8,088,717,263.40 × 2,120,436,908.40
  4. Step 4: Simplify right side
    5,391,880,978.80x = 17,151,614,626,925,604,864
  5. Step 5: Solve for x
    x = 17,151,614,626,925,604,864/5,391,880,978.80
  6. Step 6: Final answer
    x = 3,181,007,647.31

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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.