Home / 1,259,060,465.40-1,888,590,698.10-441,066,478.20

Finding the Fourth Proportional to 1,259,060,465.40, 1,888,590,698.10 and 441,066,478.20

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Solution

The fourth proportional to 1,259,060,465.40, 1,888,590,698.10 and 441,066,478.20 is: 661,599,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,060,465.40 : 1,888,590,698.10 = 441,066,478.20 : x
  2. Step 2: Convert to fraction form
    1,259,060,465.40/1,888,590,698.10 = 441,066,478.20/x
  3. Step 3: Cross multiply
    1,259,060,465.40x = 1,888,590,698.10 × 441,066,478.20
  4. Step 4: Simplify right side
    1,259,060,465.40x = 832,994,047,972,246,400
  5. Step 5: Solve for x
    x = 832,994,047,972,246,400/1,259,060,465.40
  6. Step 6: Final answer
    x = 661,599,717.30

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Double scale
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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.