Home / 15,000,447,478.38-20,698,714,898.01-8,224,482,976.44

Finding the Fourth Proportional to 15,000,447,478.38, 20,698,714,898.01 and 8,224,482,976.44

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Solution

The fourth proportional to 15,000,447,478.38, 20,698,714,898.01 and 8,224,482,976.44 is: 11,348,743,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,447,478.38 : 20,698,714,898.01 = 8,224,482,976.44 : x
  2. Step 2: Convert to fraction form
    15,000,447,478.38/20,698,714,898.01 = 8,224,482,976.44/x
  3. Step 3: Cross multiply
    15,000,447,478.38x = 20,698,714,898.01 × 8,224,482,976.44
  4. Step 4: Simplify right side
    15,000,447,478.38x = 170,236,228,312,868,225,024
  5. Step 5: Solve for x
    x = 170,236,228,312,868,225,024/15,000,447,478.38
  6. Step 6: Final answer
    x = 11,348,743,333.04

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Double scale
Find fourth proportional to 15,000,447,479.38, 20,698,714,899.39 and 8,224,482,977.44
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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.