Home / 1,090,753,128,082.60-1,636,129,692,123.90-453,833,844,166.60

Finding the Fourth Proportional to 1,090,753,128,082.60, 1,636,129,692,123.90 and 453,833,844,166.60

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Solution

The fourth proportional to 1,090,753,128,082.60, 1,636,129,692,123.90 and 453,833,844,166.60 is: 680,750,766,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,753,128,082.60 : 1,636,129,692,123.90 = 453,833,844,166.60 : x
  2. Step 2: Convert to fraction form
    1,090,753,128,082.60/1,636,129,692,123.90 = 453,833,844,166.60/x
  3. Step 3: Cross multiply
    1,090,753,128,082.60x = 1,636,129,692,123.90 × 453,833,844,166.60
  4. Step 4: Simplify right side
    1,090,753,128,082.60x = 742,531,027,731,705,239,699,456
  5. Step 5: Solve for x
    x = 742,531,027,731,705,239,699,456/1,090,753,128,082.60
  6. Step 6: Final answer
    x = 680,750,766,249.90

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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.