Home / 3,485,417,767.45-4,809,892,807.45-1,980,126,717.83

Finding the Fourth Proportional to 3,485,417,767.45, 4,809,892,807.45 and 1,980,126,717.83

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Solution

The fourth proportional to 3,485,417,767.45, 4,809,892,807.45 and 1,980,126,717.83 is: 2,732,584,124.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,417,767.45 : 4,809,892,807.45 = 1,980,126,717.83 : x
  2. Step 2: Convert to fraction form
    3,485,417,767.45/4,809,892,807.45 = 1,980,126,717.83/x
  3. Step 3: Cross multiply
    3,485,417,767.45x = 4,809,892,807.45 × 1,980,126,717.83
  4. Step 4: Simplify right side
    3,485,417,767.45x = 9,524,197,257,930,092,544
  5. Step 5: Solve for x
    x = 9,524,197,257,930,092,544/3,485,417,767.45
  6. Step 6: Final answer
    x = 2,732,584,124.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.