Home / 1,259,060,519.40-1,888,590,779.10-441,066,532.20

Finding the Fourth Proportional to 1,259,060,519.40, 1,888,590,779.10 and 441,066,532.20

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Solution

The fourth proportional to 1,259,060,519.40, 1,888,590,779.10 and 441,066,532.20 is: 661,599,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,060,519.40 : 1,888,590,779.10 = 441,066,532.20 : x
  2. Step 2: Convert to fraction form
    1,259,060,519.40/1,888,590,779.10 = 441,066,532.20/x
  3. Step 3: Cross multiply
    1,259,060,519.40x = 1,888,590,779.10 × 441,066,532.20
  4. Step 4: Simplify right side
    1,259,060,519.40x = 832,994,185,682,533,120
  5. Step 5: Solve for x
    x = 832,994,185,682,533,120/1,259,060,519.40
  6. Step 6: Final answer
    x = 661,599,798.30

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Half scale
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Double scale
Find fourth proportional to 1,259,060,520.40, 1,888,590,780.60 and 441,066,533.20
Similar ratio
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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.