Home / 1,305,696,049.40-1,958,544,074.10-1,009,789,700.60

Finding the Fourth Proportional to 1,305,696,049.40, 1,958,544,074.10 and 1,009,789,700.60

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Solution

The fourth proportional to 1,305,696,049.40, 1,958,544,074.10 and 1,009,789,700.60 is: 1,514,684,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,696,049.40 : 1,958,544,074.10 = 1,009,789,700.60 : x
  2. Step 2: Convert to fraction form
    1,305,696,049.40/1,958,544,074.10 = 1,009,789,700.60/x
  3. Step 3: Cross multiply
    1,305,696,049.40x = 1,958,544,074.10 × 1,009,789,700.60
  4. Step 4: Simplify right side
    1,305,696,049.40x = 1,977,717,634,197,343,232
  5. Step 5: Solve for x
    x = 1,977,717,634,197,343,232/1,305,696,049.40
  6. Step 6: Final answer
    x = 1,514,684,550.90

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Double scale
Find fourth proportional to 1,305,696,050.40, 1,958,544,075.60 and 1,009,789,701.60
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.