Home / 1,423,864,656.12-1,964,932,941.70-788,826,413.82

Finding the Fourth Proportional to 1,423,864,656.12, 1,964,932,941.70 and 788,826,413.82

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Solution

The fourth proportional to 1,423,864,656.12, 1,964,932,941.70 and 788,826,413.82 is: 1,088,580,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,864,656.12 : 1,964,932,941.70 = 788,826,413.82 : x
  2. Step 2: Convert to fraction form
    1,423,864,656.12/1,964,932,941.70 = 788,826,413.82/x
  3. Step 3: Cross multiply
    1,423,864,656.12x = 1,964,932,941.70 × 788,826,413.82
  4. Step 4: Simplify right side
    1,423,864,656.12x = 1,549,991,005,797,994,240
  5. Step 5: Solve for x
    x = 1,549,991,005,797,994,240/1,423,864,656.12
  6. Step 6: Final answer
    x = 1,088,580,293.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.