Home / 420,445,224.60-576,000,329.04-404,725,622.64

Finding the Fourth Proportional to 420,445,224.60, 576,000,329.04 and 404,725,622.64

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Solution

The fourth proportional to 420,445,224.60, 576,000,329.04 and 404,725,622.64 is: 554,464,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,445,224.60 : 576,000,329.04 = 404,725,622.64 : x
  2. Step 2: Convert to fraction form
    420,445,224.60/576,000,329.04 = 404,725,622.64/x
  3. Step 3: Cross multiply
    420,445,224.60x = 576,000,329.04 × 404,725,622.64
  4. Step 4: Simplify right side
    420,445,224.60x = 233,122,091,811,558,848
  5. Step 5: Solve for x
    x = 233,122,091,811,558,848/420,445,224.60
  6. Step 6: Final answer
    x = 554,464,834.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.