Home / 989,496,010.80-1,484,244,016.20-944,146,378.80

Finding the Fourth Proportional to 989,496,010.80, 1,484,244,016.20 and 944,146,378.80

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Solution

The fourth proportional to 989,496,010.80, 1,484,244,016.20 and 944,146,378.80 is: 1,416,219,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,496,010.80 : 1,484,244,016.20 = 944,146,378.80 : x
  2. Step 2: Convert to fraction form
    989,496,010.80/1,484,244,016.20 = 944,146,378.80/x
  3. Step 3: Cross multiply
    989,496,010.80x = 1,484,244,016.20 × 944,146,378.80
  4. Step 4: Simplify right side
    989,496,010.80x = 1,401,343,613,150,798,592
  5. Step 5: Solve for x
    x = 1,401,343,613,150,798,592/989,496,010.80
  6. Step 6: Final answer
    x = 1,416,219,568.20

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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.