Home / 15,520,130,747.40-23,280,196,121.10-4,479,007,009.80

Finding the Fourth Proportional to 15,520,130,747.40, 23,280,196,121.10 and 4,479,007,009.80

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Solution

The fourth proportional to 15,520,130,747.40, 23,280,196,121.10 and 4,479,007,009.80 is: 6,718,510,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520,130,747.40 : 23,280,196,121.10 = 4,479,007,009.80 : x
  2. Step 2: Convert to fraction form
    15,520,130,747.40/23,280,196,121.10 = 4,479,007,009.80/x
  3. Step 3: Cross multiply
    15,520,130,747.40x = 23,280,196,121.10 × 4,479,007,009.80
  4. Step 4: Simplify right side
    15,520,130,747.40x = 104,272,161,615,925,673,984
  5. Step 5: Solve for x
    x = 104,272,161,615,925,673,984/15,520,130,747.40
  6. Step 6: Final answer
    x = 6,718,510,514.70

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Double scale
Find fourth proportional to 15,520,130,748.40, 23,280,196,122.60 and 4,479,007,010.80
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.