Home / 1,338,725,618.40-2,008,088,427.60-476,771,570.40

Finding the Fourth Proportional to 1,338,725,618.40, 2,008,088,427.60 and 476,771,570.40

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Solution

The fourth proportional to 1,338,725,618.40, 2,008,088,427.60 and 476,771,570.40 is: 715,157,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,725,618.40 : 2,008,088,427.60 = 476,771,570.40 : x
  2. Step 2: Convert to fraction form
    1,338,725,618.40/2,008,088,427.60 = 476,771,570.40/x
  3. Step 3: Cross multiply
    1,338,725,618.40x = 2,008,088,427.60 × 476,771,570.40
  4. Step 4: Simplify right side
    1,338,725,618.40x = 957,399,473,128,918,656
  5. Step 5: Solve for x
    x = 957,399,473,128,918,656/1,338,725,618.40
  6. Step 6: Final answer
    x = 715,157,355.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.