Home / 1,512,032,117.80-2,268,048,176.72-476,997,626.20

Finding the Fourth Proportional to 1,512,032,117.80, 2,268,048,176.72 and 476,997,626.20

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Solution

The fourth proportional to 1,512,032,117.80, 2,268,048,176.72 and 476,997,626.20 is: 715,496,439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,032,117.80 : 2,268,048,176.72 = 476,997,626.20 : x
  2. Step 2: Convert to fraction form
    1,512,032,117.80/2,268,048,176.72 = 476,997,626.20/x
  3. Step 3: Cross multiply
    1,512,032,117.80x = 2,268,048,176.72 × 476,997,626.20
  4. Step 4: Simplify right side
    1,512,032,117.80x = 1,081,853,596,402,678,016
  5. Step 5: Solve for x
    x = 1,081,853,596,402,678,016/1,512,032,117.80
  6. Step 6: Final answer
    x = 715,496,439.31

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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.