Home / 1,623,014,510-2,239,760,023.80-927,668,415.92

Finding the Fourth Proportional to 1,623,014,510, 2,239,760,023.80 and 927,668,415.92

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Solution

The fourth proportional to 1,623,014,510, 2,239,760,023.80 and 927,668,415.92 is: 1,280,182,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,014,510 : 2,239,760,023.80 = 927,668,415.92 : x
  2. Step 2: Convert to fraction form
    1,623,014,510/2,239,760,023.80 = 927,668,415.92/x
  3. Step 3: Cross multiply
    1,623,014,510x = 2,239,760,023.80 × 927,668,415.92
  4. Step 4: Simplify right side
    1,623,014,510x = 2,077,754,633,319,487,488
  5. Step 5: Solve for x
    x = 2,077,754,633,319,487,488/1,623,014,510
  6. Step 6: Final answer
    x = 1,280,182,413.97

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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.