Home / 1,303,550,559.86-1,798,933,866.34-708,869,824.80

Finding the Fourth Proportional to 1,303,550,559.86, 1,798,933,866.34 and 708,869,824.80

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Solution

The fourth proportional to 1,303,550,559.86, 1,798,933,866.34 and 708,869,824.80 is: 978,258,898.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,550,559.86 : 1,798,933,866.34 = 708,869,824.80 : x
  2. Step 2: Convert to fraction form
    1,303,550,559.86/1,798,933,866.34 = 708,869,824.80/x
  3. Step 3: Cross multiply
    1,303,550,559.86x = 1,798,933,866.34 × 708,869,824.80
  4. Step 4: Simplify right side
    1,303,550,559.86x = 1,275,209,934,659,222,272
  5. Step 5: Solve for x
    x = 1,275,209,934,659,222,272/1,303,550,559.86
  6. Step 6: Final answer
    x = 978,258,898.37

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1.5x scale

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.