Home / 285,768,019.30-428,652,028.95-283,752,480.10

Finding the Fourth Proportional to 285,768,019.30, 428,652,028.95 and 283,752,480.10

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Solution

The fourth proportional to 285,768,019.30, 428,652,028.95 and 283,752,480.10 is: 425,628,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,768,019.30 : 428,652,028.95 = 283,752,480.10 : x
  2. Step 2: Convert to fraction form
    285,768,019.30/428,652,028.95 = 283,752,480.10/x
  3. Step 3: Cross multiply
    285,768,019.30x = 428,652,028.95 × 283,752,480.10
  4. Step 4: Simplify right side
    285,768,019.30x = 121,631,076,314,459,504
  5. Step 5: Solve for x
    x = 121,631,076,314,459,504/285,768,019.30
  6. Step 6: Final answer
    x = 425,628,720.15

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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.