Home / 18,721,343,152.10-28,082,014,728.15-6,295,543,984.10

Finding the Fourth Proportional to 18,721,343,152.10, 28,082,014,728.15 and 6,295,543,984.10

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Solution

The fourth proportional to 18,721,343,152.10, 28,082,014,728.15 and 6,295,543,984.10 is: 9,443,315,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721,343,152.10 : 28,082,014,728.15 = 6,295,543,984.10 : x
  2. Step 2: Convert to fraction form
    18,721,343,152.10/28,082,014,728.15 = 6,295,543,984.10/x
  3. Step 3: Cross multiply
    18,721,343,152.10x = 28,082,014,728.15 × 6,295,543,984.10
  4. Step 4: Simplify right side
    18,721,343,152.10x = 176,791,558,883,212,361,728
  5. Step 5: Solve for x
    x = 176,791,558,883,212,361,728/18,721,343,152.10
  6. Step 6: Final answer
    x = 9,443,315,976.15

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Double scale
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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.