Home / 1,303,550,637.64-1,798,933,973.10-708,869,902.60

Finding the Fourth Proportional to 1,303,550,637.64, 1,798,933,973.10 and 708,869,902.60

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Solution

The fourth proportional to 1,303,550,637.64, 1,798,933,973.10 and 708,869,902.60 is: 978,259,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,550,637.64 : 1,798,933,973.10 = 708,869,902.60 : x
  2. Step 2: Convert to fraction form
    1,303,550,637.64/1,798,933,973.10 = 708,869,902.60/x
  3. Step 3: Cross multiply
    1,303,550,637.64x = 1,798,933,973.10 × 708,869,902.60
  4. Step 4: Simplify right side
    1,303,550,637.64x = 1,275,210,150,295,227,904
  5. Step 5: Solve for x
    x = 1,275,210,150,295,227,904/1,303,550,637.64
  6. Step 6: Final answer
    x = 978,259,005.42

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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.