Home / 1,978,597,292,590.80-2,966,196,148,518.50-687,640,824,158.36

Finding the Fourth Proportional to 1,978,597,292,590.80, 2,966,196,148,518.50 and 687,640,824,158.36

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Solution

The fourth proportional to 1,978,597,292,590.80, 2,966,196,148,518.50 and 687,640,824,158.36 is: 1,030,870,491,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,597,292,590.80 : 2,966,196,148,518.50 = 687,640,824,158.36 : x
  2. Step 2: Convert to fraction form
    1,978,597,292,590.80/2,966,196,148,518.50 = 687,640,824,158.36/x
  3. Step 3: Cross multiply
    1,978,597,292,590.80x = 2,966,196,148,518.50 × 687,640,824,158.36
  4. Step 4: Simplify right side
    1,978,597,292,590.80x = 2,039,677,564,182,614,541,074,432
  5. Step 5: Solve for x
    x = 2,039,677,564,182,614,541,074,432/1,978,597,292,590.80
  6. Step 6: Final answer
    x = 1,030,870,491,848.21

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