Home / 785,156,105.28-1,083,501,368.24-427,927,099.44

Finding the Fourth Proportional to 785,156,105.28, 1,083,501,368.24 and 427,927,099.44

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Solution

The fourth proportional to 785,156,105.28, 1,083,501,368.24 and 427,927,099.44 is: 590,531,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,156,105.28 : 1,083,501,368.24 = 427,927,099.44 : x
  2. Step 2: Convert to fraction form
    785,156,105.28/1,083,501,368.24 = 427,927,099.44/x
  3. Step 3: Cross multiply
    785,156,105.28x = 1,083,501,368.24 × 427,927,099.44
  4. Step 4: Simplify right side
    785,156,105.28x = 463,659,597,750,214,528
  5. Step 5: Solve for x
    x = 463,659,597,750,214,528/785,156,105.28
  6. Step 6: Final answer
    x = 590,531,735.83

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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.