Home / 1,405,884,910.08-1,940,121,133.92-779,351,750.40

Finding the Fourth Proportional to 1,405,884,910.08, 1,940,121,133.92 and 779,351,750.40

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Solution

The fourth proportional to 1,405,884,910.08, 1,940,121,133.92 and 779,351,750.40 is: 1,075,505,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,884,910.08 : 1,940,121,133.92 = 779,351,750.40 : x
  2. Step 2: Convert to fraction form
    1,405,884,910.08/1,940,121,133.92 = 779,351,750.40/x
  3. Step 3: Cross multiply
    1,405,884,910.08x = 1,940,121,133.92 × 779,351,750.40
  4. Step 4: Simplify right side
    1,405,884,910.08x = 1,512,036,801,708,584,704
  5. Step 5: Solve for x
    x = 1,512,036,801,708,584,704/1,405,884,910.08
  6. Step 6: Final answer
    x = 1,075,505,392.27

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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.