Home / 528,202,187.40-792,303,281.10-323,845,408.20

Finding the Fourth Proportional to 528,202,187.40, 792,303,281.10 and 323,845,408.20

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Solution

The fourth proportional to 528,202,187.40, 792,303,281.10 and 323,845,408.20 is: 485,768,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,202,187.40 : 792,303,281.10 = 323,845,408.20 : x
  2. Step 2: Convert to fraction form
    528,202,187.40/792,303,281.10 = 323,845,408.20/x
  3. Step 3: Cross multiply
    528,202,187.40x = 792,303,281.10 × 323,845,408.20
  4. Step 4: Simplify right side
    528,202,187.40x = 256,583,779,486,028,832
  5. Step 5: Solve for x
    x = 256,583,779,486,028,832/528,202,187.40
  6. Step 6: Final answer
    x = 485,768,112.30

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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.