Home / 1,630,408,538.40-2,445,612,807.60-403,576,989.90

Finding the Fourth Proportional to 1,630,408,538.40, 2,445,612,807.60 and 403,576,989.90

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Solution

The fourth proportional to 1,630,408,538.40, 2,445,612,807.60 and 403,576,989.90 is: 605,365,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,408,538.40 : 2,445,612,807.60 = 403,576,989.90 : x
  2. Step 2: Convert to fraction form
    1,630,408,538.40/2,445,612,807.60 = 403,576,989.90/x
  3. Step 3: Cross multiply
    1,630,408,538.40x = 2,445,612,807.60 × 403,576,989.90
  4. Step 4: Simplify right side
    1,630,408,538.40x = 986,993,055,352,095,744
  5. Step 5: Solve for x
    x = 986,993,055,352,095,744/1,630,408,538.40
  6. Step 6: Final answer
    x = 605,365,484.85

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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.