Home / 6,721,280,116.55-10,081,920,174.83-3,621,916,204.55

Finding the Fourth Proportional to 6,721,280,116.55, 10,081,920,174.83 and 3,621,916,204.55

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Solution

The fourth proportional to 6,721,280,116.55, 10,081,920,174.83 and 3,621,916,204.55 is: 5,432,874,306.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,280,116.55 : 10,081,920,174.83 = 3,621,916,204.55 : x
  2. Step 2: Convert to fraction form
    6,721,280,116.55/10,081,920,174.83 = 3,621,916,204.55/x
  3. Step 3: Cross multiply
    6,721,280,116.55x = 10,081,920,174.83 × 3,621,916,204.55
  4. Step 4: Simplify right side
    6,721,280,116.55x = 36,515,870,054,178,242,560
  5. Step 5: Solve for x
    x = 36,515,870,054,178,242,560/6,721,280,116.55
  6. Step 6: Final answer
    x = 5,432,874,306.83

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Double scale
Find fourth proportional to 6,721,280,117.55, 10,081,920,176.33 and 3,621,916,205.55
Similar ratio
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1.5x scale

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.