Home / 1,092,099,347.20-1,638,149,020.80-401,863,776.40

Finding the Fourth Proportional to 1,092,099,347.20, 1,638,149,020.80 and 401,863,776.40

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Solution

The fourth proportional to 1,092,099,347.20, 1,638,149,020.80 and 401,863,776.40 is: 602,795,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,099,347.20 : 1,638,149,020.80 = 401,863,776.40 : x
  2. Step 2: Convert to fraction form
    1,092,099,347.20/1,638,149,020.80 = 401,863,776.40/x
  3. Step 3: Cross multiply
    1,092,099,347.20x = 1,638,149,020.80 × 401,863,776.40
  4. Step 4: Simplify right side
    1,092,099,347.20x = 658,312,751,804,650,112
  5. Step 5: Solve for x
    x = 658,312,751,804,650,112/1,092,099,347.20
  6. Step 6: Final answer
    x = 602,795,664.60

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1.5x scale

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.