Home / 1,191,027,775.11-1,643,609,259.07-655,167,930.81

Finding the Fourth Proportional to 1,191,027,775.11, 1,643,609,259.07 and 655,167,930.81

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Solution

The fourth proportional to 1,191,027,775.11, 1,643,609,259.07 and 655,167,930.81 is: 904,126,754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,027,775.11 : 1,643,609,259.07 = 655,167,930.81 : x
  2. Step 2: Convert to fraction form
    1,191,027,775.11/1,643,609,259.07 = 655,167,930.81/x
  3. Step 3: Cross multiply
    1,191,027,775.11x = 1,643,609,259.07 × 655,167,930.81
  4. Step 4: Simplify right side
    1,191,027,775.11x = 1,076,840,077,317,247,744
  5. Step 5: Solve for x
    x = 1,076,840,077,317,247,744/1,191,027,775.11
  6. Step 6: Final answer
    x = 904,126,754.91

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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.