Home / 3,181,049,162,814.80-4,771,573,807,278.90-763,549,984,378.40

Finding the Fourth Proportional to 3,181,049,162,814.80, 4,771,573,807,278.90 and 763,549,984,378.40

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Solution

The fourth proportional to 3,181,049,162,814.80, 4,771,573,807,278.90 and 763,549,984,378.40 is: 1,145,324,991,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,049,162,814.80 : 4,771,573,807,278.90 = 763,549,984,378.40 : x
  2. Step 2: Convert to fraction form
    3,181,049,162,814.80/4,771,573,807,278.90 = 763,549,984,378.40/x
  3. Step 3: Cross multiply
    3,181,049,162,814.80x = 4,771,573,807,278.90 × 763,549,984,378.40
  4. Step 4: Simplify right side
    3,181,049,162,814.80x = 3,643,335,106,008,186,930,331,648
  5. Step 5: Solve for x
    x = 3,643,335,106,008,186,930,331,648/3,181,049,162,814.80
  6. Step 6: Final answer
    x = 1,145,324,991,703.15

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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.