Home / 3,893,566,415.69-5,373,051,613.65-2,199,984,698.86

Finding the Fourth Proportional to 3,893,566,415.69, 5,373,051,613.65 and 2,199,984,698.86

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Solution

The fourth proportional to 3,893,566,415.69, 5,373,051,613.65 and 2,199,984,698.86 is: 3,035,939,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893,566,415.69 : 5,373,051,613.65 = 2,199,984,698.86 : x
  2. Step 2: Convert to fraction form
    3,893,566,415.69/5,373,051,613.65 = 2,199,984,698.86/x
  3. Step 3: Cross multiply
    3,893,566,415.69x = 5,373,051,613.65 × 2,199,984,698.86
  4. Step 4: Simplify right side
    3,893,566,415.69x = 11,820,631,336,215,031,808
  5. Step 5: Solve for x
    x = 11,820,631,336,215,031,808/3,893,566,415.69
  6. Step 6: Final answer
    x = 3,035,939,309.67

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Double scale
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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.