Home / 1,214,231,790.83-1,675,645,219.03-657,314,837.90

Finding the Fourth Proportional to 1,214,231,790.83, 1,675,645,219.03 and 657,314,837.90

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Solution

The fourth proportional to 1,214,231,790.83, 1,675,645,219.03 and 657,314,837.90 is: 907,097,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,231,790.83 : 1,675,645,219.03 = 657,314,837.90 : x
  2. Step 2: Convert to fraction form
    1,214,231,790.83/1,675,645,219.03 = 657,314,837.90/x
  3. Step 3: Cross multiply
    1,214,231,790.83x = 1,675,645,219.03 × 657,314,837.90
  4. Step 4: Simplify right side
    1,214,231,790.83x = 1,101,426,465,516,236,160
  5. Step 5: Solve for x
    x = 1,101,426,465,516,236,160/1,214,231,790.83
  6. Step 6: Final answer
    x = 907,097,371.22

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Double scale
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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.