Home / 1,090,294,595.80-1,635,441,893.70-654,938,128.60

Finding the Fourth Proportional to 1,090,294,595.80, 1,635,441,893.70 and 654,938,128.60

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Solution

The fourth proportional to 1,090,294,595.80, 1,635,441,893.70 and 654,938,128.60 is: 982,407,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,294,595.80 : 1,635,441,893.70 = 654,938,128.60 : x
  2. Step 2: Convert to fraction form
    1,090,294,595.80/1,635,441,893.70 = 654,938,128.60/x
  3. Step 3: Cross multiply
    1,090,294,595.80x = 1,635,441,893.70 × 654,938,128.60
  4. Step 4: Simplify right side
    1,090,294,595.80x = 1,071,113,253,293,918,208
  5. Step 5: Solve for x
    x = 1,071,113,253,293,918,208/1,090,294,595.80
  6. Step 6: Final answer
    x = 982,407,192.90

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Double scale
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Similar ratio
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1.5x scale

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.