Home / 5,639,668,215.68-7,782,274,352.40-3,099,216,602.72

Finding the Fourth Proportional to 5,639,668,215.68, 7,782,274,352.40 and 3,099,216,602.72

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Solution

The fourth proportional to 5,639,668,215.68, 7,782,274,352.40 and 3,099,216,602.72 is: 4,276,661,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,668,215.68 : 7,782,274,352.40 = 3,099,216,602.72 : x
  2. Step 2: Convert to fraction form
    5,639,668,215.68/7,782,274,352.40 = 3,099,216,602.72/x
  3. Step 3: Cross multiply
    5,639,668,215.68x = 7,782,274,352.40 × 3,099,216,602.72
  4. Step 4: Simplify right side
    5,639,668,215.68x = 24,118,953,879,880,114,176
  5. Step 5: Solve for x
    x = 24,118,953,879,880,114,176/5,639,668,215.68
  6. Step 6: Final answer
    x = 4,276,661,845.61

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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.