Home / 1,092,099,014.20-1,638,148,521.30-401,863,443.40

Finding the Fourth Proportional to 1,092,099,014.20, 1,638,148,521.30 and 401,863,443.40

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Solution

The fourth proportional to 1,092,099,014.20, 1,638,148,521.30 and 401,863,443.40 is: 602,795,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,099,014.20 : 1,638,148,521.30 = 401,863,443.40 : x
  2. Step 2: Convert to fraction form
    1,092,099,014.20/1,638,148,521.30 = 401,863,443.40/x
  3. Step 3: Cross multiply
    1,092,099,014.20x = 1,638,148,521.30 × 401,863,443.40
  4. Step 4: Simplify right side
    1,092,099,014.20x = 658,312,005,570,236,160
  5. Step 5: Solve for x
    x = 658,312,005,570,236,160/1,092,099,014.20
  6. Step 6: Final answer
    x = 602,795,165.10

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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.