Home / 20,676,676,782.11-31,024,036,458.55-7,240,604,179.16

Finding the Fourth Proportional to 20,676,676,782.11, 31,024,036,458.55 and 7,240,604,179.16

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Solution

The fourth proportional to 20,676,676,782.11, 31,024,036,458.55 and 7,240,604,179.16 is: 10,864,065,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676,676,782.11 : 31,024,036,458.55 = 7,240,604,179.16 : x
  2. Step 2: Convert to fraction form
    20,676,676,782.11/31,024,036,458.55 = 7,240,604,179.16/x
  3. Step 3: Cross multiply
    20,676,676,782.11x = 31,024,036,458.55 × 7,240,604,179.16
  4. Step 4: Simplify right side
    20,676,676,782.11x = 224,632,768,036,281,384,960
  5. Step 5: Solve for x
    x = 224,632,768,036,281,384,960/20,676,676,782.11
  6. Step 6: Final answer
    x = 10,864,065,362.32

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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.