Home / 402,150,830.40-603,226,245.60-284,808,657.60

Finding the Fourth Proportional to 402,150,830.40, 603,226,245.60 and 284,808,657.60

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Solution

The fourth proportional to 402,150,830.40, 603,226,245.60 and 284,808,657.60 is: 427,212,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,150,830.40 : 603,226,245.60 = 284,808,657.60 : x
  2. Step 2: Convert to fraction form
    402,150,830.40/603,226,245.60 = 284,808,657.60/x
  3. Step 3: Cross multiply
    402,150,830.40x = 603,226,245.60 × 284,808,657.60
  4. Step 4: Simplify right side
    402,150,830.40x = 171,804,057,238,423,936
  5. Step 5: Solve for x
    x = 171,804,057,238,423,936/402,150,830.40
  6. Step 6: Final answer
    x = 427,212,986.40

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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.