Home / 299,610,299.16-449,415,448.74-84,199,547.16

Finding the Fourth Proportional to 299,610,299.16, 449,415,448.74 and 84,199,547.16

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Solution

The fourth proportional to 299,610,299.16, 449,415,448.74 and 84,199,547.16 is: 126,299,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,610,299.16 : 449,415,448.74 = 84,199,547.16 : x
  2. Step 2: Convert to fraction form
    299,610,299.16/449,415,448.74 = 84,199,547.16/x
  3. Step 3: Cross multiply
    299,610,299.16x = 449,415,448.74 × 84,199,547.16
  4. Step 4: Simplify right side
    299,610,299.16x = 37,840,577,268,615,136
  5. Step 5: Solve for x
    x = 37,840,577,268,615,136/299,610,299.16
  6. Step 6: Final answer
    x = 126,299,320.73

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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.