Home / 1,112,349,175.50-1,536,315,867.66-732,568,916.32

Finding the Fourth Proportional to 1,112,349,175.50, 1,536,315,867.66 and 732,568,916.32

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Solution

The fourth proportional to 1,112,349,175.50, 1,536,315,867.66 and 732,568,916.32 is: 1,011,784,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,349,175.50 : 1,536,315,867.66 = 732,568,916.32 : x
  2. Step 2: Convert to fraction form
    1,112,349,175.50/1,536,315,867.66 = 732,568,916.32/x
  3. Step 3: Cross multiply
    1,112,349,175.50x = 1,536,315,867.66 × 732,568,916.32
  4. Step 4: Simplify right side
    1,112,349,175.50x = 1,125,457,250,300,108,928
  5. Step 5: Solve for x
    x = 1,125,457,250,300,108,928/1,112,349,175.50
  6. Step 6: Final answer
    x = 1,011,784,136.76

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Double scale
Find fourth proportional to 1,112,349,176.50, 1,536,315,869.04 and 732,568,917.32
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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.