Home / 1,323,319,186.20-1,985,403,932.10-887,112,413.40

Finding the Fourth Proportional to 1,323,319,186.20, 1,985,403,932.10 and 887,112,413.40

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Solution

The fourth proportional to 1,323,319,186.20, 1,985,403,932.10 and 887,112,413.40 is: 1,330,953,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,319,186.20 : 1,985,403,932.10 = 887,112,413.40 : x
  2. Step 2: Convert to fraction form
    1,323,319,186.20/1,985,403,932.10 = 887,112,413.40/x
  3. Step 3: Cross multiply
    1,323,319,186.20x = 1,985,403,932.10 × 887,112,413.40
  4. Step 4: Simplify right side
    1,323,319,186.20x = 1,761,276,473,779,080,704
  5. Step 5: Solve for x
    x = 1,761,276,473,779,080,704/1,323,319,186.20
  6. Step 6: Final answer
    x = 1,330,953,629.44

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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.