Home / 889,059,207.40-1,333,588,811.10-839,174,612.20

Finding the Fourth Proportional to 889,059,207.40, 1,333,588,811.10 and 839,174,612.20

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Solution

The fourth proportional to 889,059,207.40, 1,333,588,811.10 and 839,174,612.20 is: 1,258,761,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,059,207.40 : 1,333,588,811.10 = 839,174,612.20 : x
  2. Step 2: Convert to fraction form
    889,059,207.40/1,333,588,811.10 = 839,174,612.20/x
  3. Step 3: Cross multiply
    889,059,207.40x = 1,333,588,811.10 × 839,174,612.20
  4. Step 4: Simplify right side
    889,059,207.40x = 1,119,113,873,389,101,568
  5. Step 5: Solve for x
    x = 1,119,113,873,389,101,568/889,059,207.40
  6. Step 6: Final answer
    x = 1,258,761,918.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.