Home / 1,091,460,467.70-1,637,261,560.35-574,899,815.70

Finding the Fourth Proportional to 1,091,460,467.70, 1,637,261,560.35 and 574,899,815.70

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Solution

The fourth proportional to 1,091,460,467.70, 1,637,261,560.35 and 574,899,815.70 is: 862,387,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,460,467.70 : 1,637,261,560.35 = 574,899,815.70 : x
  2. Step 2: Convert to fraction form
    1,091,460,467.70/1,637,261,560.35 = 574,899,815.70/x
  3. Step 3: Cross multiply
    1,091,460,467.70x = 1,637,261,560.35 × 574,899,815.70
  4. Step 4: Simplify right side
    1,091,460,467.70x = 941,261,369,297,909,504
  5. Step 5: Solve for x
    x = 941,261,369,297,909,504/1,091,460,467.70
  6. Step 6: Final answer
    x = 862,387,046.67

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Half scale
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Double scale
Find fourth proportional to 1,091,460,468.70, 1,637,261,561.85 and 574,899,816.70
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.