Home / 420,445,225.60-576,000,330.41-404,725,623.64

Finding the Fourth Proportional to 420,445,225.60, 576,000,330.41 and 404,725,623.64

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Solution

The fourth proportional to 420,445,225.60, 576,000,330.41 and 404,725,623.64 is: 554,464,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,445,225.60 : 576,000,330.41 = 404,725,623.64 : x
  2. Step 2: Convert to fraction form
    420,445,225.60/576,000,330.41 = 404,725,623.64/x
  3. Step 3: Cross multiply
    420,445,225.60x = 576,000,330.41 × 404,725,623.64
  4. Step 4: Simplify right side
    420,445,225.60x = 233,122,092,942,033,280
  5. Step 5: Solve for x
    x = 233,122,092,942,033,280/420,445,225.60
  6. Step 6: Final answer
    x = 554,464,835.72

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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.