Home / 1,321,335,239.58-1,823,477,189.48-718,541,117.79

Finding the Fourth Proportional to 1,321,335,239.58, 1,823,477,189.48 and 718,541,117.79

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Solution

The fourth proportional to 1,321,335,239.58, 1,823,477,189.48 and 718,541,117.79 is: 991,605,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,335,239.58 : 1,823,477,189.48 = 718,541,117.79 : x
  2. Step 2: Convert to fraction form
    1,321,335,239.58/1,823,477,189.48 = 718,541,117.79/x
  3. Step 3: Cross multiply
    1,321,335,239.58x = 1,823,477,189.48 × 718,541,117.79
  4. Step 4: Simplify right side
    1,321,335,239.58x = 1,310,243,337,999,430,912
  5. Step 5: Solve for x
    x = 1,310,243,337,999,430,912/1,321,335,239.58
  6. Step 6: Final answer
    x = 991,605,535.64

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Double scale
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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.