Home / 1,112,348,971.96-1,536,315,589.02-732,568,713.12

Finding the Fourth Proportional to 1,112,348,971.96, 1,536,315,589.02 and 732,568,713.12

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Solution

The fourth proportional to 1,112,348,971.96, 1,536,315,589.02 and 732,568,713.12 is: 1,011,783,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,348,971.96 : 1,536,315,589.02 = 732,568,713.12 : x
  2. Step 2: Convert to fraction form
    1,112,348,971.96/1,536,315,589.02 = 732,568,713.12/x
  3. Step 3: Cross multiply
    1,112,348,971.96x = 1,536,315,589.02 × 732,568,713.12
  4. Step 4: Simplify right side
    1,112,348,971.96x = 1,125,456,733,997,359,872
  5. Step 5: Solve for x
    x = 1,125,456,733,997,359,872/1,112,348,971.96
  6. Step 6: Final answer
    x = 1,011,783,857.74

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Half scale
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Double scale
Find fourth proportional to 1,112,348,972.96, 1,536,315,590.40 and 732,568,714.12
Similar ratio
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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.