Home / 7,878,609,484.22-10,872,738,820.86-4,310,233,609.88

Finding the Fourth Proportional to 7,878,609,484.22, 10,872,738,820.86 and 4,310,233,609.88

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Solution

The fourth proportional to 7,878,609,484.22, 10,872,738,820.86 and 4,310,233,609.88 is: 5,948,263,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,609,484.22 : 10,872,738,820.86 = 4,310,233,609.88 : x
  2. Step 2: Convert to fraction form
    7,878,609,484.22/10,872,738,820.86 = 4,310,233,609.88/x
  3. Step 3: Cross multiply
    7,878,609,484.22x = 10,872,738,820.86 × 4,310,233,609.88
  4. Step 4: Simplify right side
    7,878,609,484.22x = 46,864,044,297,117,818,880
  5. Step 5: Solve for x
    x = 46,864,044,297,117,818,880/7,878,609,484.22
  6. Step 6: Final answer
    x = 5,948,263,382.13

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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.