Home / 7,168,230,683.82-9,892,123,008.57-4,158,092,172.78

Finding the Fourth Proportional to 7,168,230,683.82, 9,892,123,008.57 and 4,158,092,172.78

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Solution

The fourth proportional to 7,168,230,683.82, 9,892,123,008.57 and 4,158,092,172.78 is: 5,738,146,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,230,683.82 : 9,892,123,008.57 = 4,158,092,172.78 : x
  2. Step 2: Convert to fraction form
    7,168,230,683.82/9,892,123,008.57 = 4,158,092,172.78/x
  3. Step 3: Cross multiply
    7,168,230,683.82x = 9,892,123,008.57 × 4,158,092,172.78
  4. Step 4: Simplify right side
    7,168,230,683.82x = 41,132,359,254,111,862,784
  5. Step 5: Solve for x
    x = 41,132,359,254,111,862,784/7,168,230,683.82
  6. Step 6: Final answer
    x = 5,738,146,701.52

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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.