Home / 1,203,147,171.56-1,660,887,132.54-757,765,088.12

Finding the Fourth Proportional to 1,203,147,171.56, 1,660,887,132.54 and 757,765,088.12

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Solution

The fourth proportional to 1,203,147,171.56, 1,660,887,132.54 and 757,765,088.12 is: 1,046,058,465.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,147,171.56 : 1,660,887,132.54 = 757,765,088.12 : x
  2. Step 2: Convert to fraction form
    1,203,147,171.56/1,660,887,132.54 = 757,765,088.12/x
  3. Step 3: Cross multiply
    1,203,147,171.56x = 1,660,887,132.54 × 757,765,088.12
  4. Step 4: Simplify right side
    1,203,147,171.56x = 1,258,562,284,346,547,200
  5. Step 5: Solve for x
    x = 1,258,562,284,346,547,200/1,203,147,171.56
  6. Step 6: Final answer
    x = 1,046,058,465.74

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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.