Home / 724,349,213.20-1,086,523,819.80-264,134,429.20

Finding the Fourth Proportional to 724,349,213.20, 1,086,523,819.80 and 264,134,429.20

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Solution

The fourth proportional to 724,349,213.20, 1,086,523,819.80 and 264,134,429.20 is: 396,201,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,349,213.20 : 1,086,523,819.80 = 264,134,429.20 : x
  2. Step 2: Convert to fraction form
    724,349,213.20/1,086,523,819.80 = 264,134,429.20/x
  3. Step 3: Cross multiply
    724,349,213.20x = 1,086,523,819.80 × 264,134,429.20
  4. Step 4: Simplify right side
    724,349,213.20x = 286,988,348,955,076,640
  5. Step 5: Solve for x
    x = 286,988,348,955,076,640/724,349,213.20
  6. Step 6: Final answer
    x = 396,201,643.80

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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.