Home / 1,569,891,413.80-2,166,352,536.47-865,003,949.02

Finding the Fourth Proportional to 1,569,891,413.80, 2,166,352,536.47 and 865,003,949.02

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Solution

The fourth proportional to 1,569,891,413.80, 2,166,352,536.47 and 865,003,949.02 is: 1,193,651,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,891,413.80 : 2,166,352,536.47 = 865,003,949.02 : x
  2. Step 2: Convert to fraction form
    1,569,891,413.80/2,166,352,536.47 = 865,003,949.02/x
  3. Step 3: Cross multiply
    1,569,891,413.80x = 2,166,352,536.47 × 865,003,949.02
  4. Step 4: Simplify right side
    1,569,891,413.80x = 1,873,903,499,000,886,784
  5. Step 5: Solve for x
    x = 1,873,903,499,000,886,784/1,569,891,413.80
  6. Step 6: Final answer
    x = 1,193,651,664.40

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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.