Home / 285,768,019.55-428,652,029.33-283,752,480.35

Finding the Fourth Proportional to 285,768,019.55, 428,652,029.33 and 283,752,480.35

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Solution

The fourth proportional to 285,768,019.55, 428,652,029.33 and 283,752,480.35 is: 425,628,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,768,019.55 : 428,652,029.33 = 283,752,480.35 : x
  2. Step 2: Convert to fraction form
    285,768,019.55/428,652,029.33 = 283,752,480.35/x
  3. Step 3: Cross multiply
    285,768,019.55x = 428,652,029.33 × 283,752,480.35
  4. Step 4: Simplify right side
    285,768,019.55x = 121,631,076,528,029,696
  5. Step 5: Solve for x
    x = 121,631,076,528,029,696/285,768,019.55
  6. Step 6: Final answer
    x = 425,628,720.53

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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.