Home / 1,035,689,852.30-1,553,534,778.45-931,777,609.10

Finding the Fourth Proportional to 1,035,689,852.30, 1,553,534,778.45 and 931,777,609.10

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Solution

The fourth proportional to 1,035,689,852.30, 1,553,534,778.45 and 931,777,609.10 is: 1,397,666,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,689,852.30 : 1,553,534,778.45 = 931,777,609.10 : x
  2. Step 2: Convert to fraction form
    1,035,689,852.30/1,553,534,778.45 = 931,777,609.10/x
  3. Step 3: Cross multiply
    1,035,689,852.30x = 1,553,534,778.45 × 931,777,609.10
  4. Step 4: Simplify right side
    1,035,689,852.30x = 1,447,548,921,517,839,360
  5. Step 5: Solve for x
    x = 1,447,548,921,517,839,360/1,035,689,852.30
  6. Step 6: Final answer
    x = 1,397,666,413.65

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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.