Home / 1,259,063,135.40-1,888,594,703.10-441,069,148.20

Finding the Fourth Proportional to 1,259,063,135.40, 1,888,594,703.10 and 441,069,148.20

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Solution

The fourth proportional to 1,259,063,135.40, 1,888,594,703.10 and 441,069,148.20 is: 661,603,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,063,135.40 : 1,888,594,703.10 = 441,069,148.20 : x
  2. Step 2: Convert to fraction form
    1,259,063,135.40/1,888,594,703.10 = 441,069,148.20/x
  3. Step 3: Cross multiply
    1,259,063,135.40x = 1,888,594,703.10 × 441,069,148.20
  4. Step 4: Simplify right side
    1,259,063,135.40x = 833,000,856,991,348,864
  5. Step 5: Solve for x
    x = 833,000,856,991,348,864/1,259,063,135.40
  6. Step 6: Final answer
    x = 661,603,722.30

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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.