Home / 5,065,336,861.50-6,990,165,531.45-2,807,422,159.82

Finding the Fourth Proportional to 5,065,336,861.50, 6,990,165,531.45 and 2,807,422,159.82

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Solution

The fourth proportional to 5,065,336,861.50, 6,990,165,531.45 and 2,807,422,159.82 is: 3,874,242,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065,336,861.50 : 6,990,165,531.45 = 2,807,422,159.82 : x
  2. Step 2: Convert to fraction form
    5,065,336,861.50/6,990,165,531.45 = 2,807,422,159.82/x
  3. Step 3: Cross multiply
    5,065,336,861.50x = 6,990,165,531.45 × 2,807,422,159.82
  4. Step 4: Simplify right side
    5,065,336,861.50x = 19,624,345,613,820,153,856
  5. Step 5: Solve for x
    x = 19,624,345,613,820,153,856/5,065,336,861.50
  6. Step 6: Final answer
    x = 3,874,242,947.78

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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.