Home / 1,303,550,540.74-1,798,933,839.91-708,869,805.66

Finding the Fourth Proportional to 1,303,550,540.74, 1,798,933,839.91 and 708,869,805.66

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Solution

The fourth proportional to 1,303,550,540.74, 1,798,933,839.91 and 708,869,805.66 is: 978,258,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,550,540.74 : 1,798,933,839.91 = 708,869,805.66 : x
  2. Step 2: Convert to fraction form
    1,303,550,540.74/1,798,933,839.91 = 708,869,805.66/x
  3. Step 3: Cross multiply
    1,303,550,540.74x = 1,798,933,839.91 × 708,869,805.66
  4. Step 4: Simplify right side
    1,303,550,540.74x = 1,275,209,881,492,199,168
  5. Step 5: Solve for x
    x = 1,275,209,881,492,199,168/1,303,550,540.74
  6. Step 6: Final answer
    x = 978,258,871.93

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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.