Home / 679,042,898,166.75-937,082,112,772.68-370,400,983,242.42

Finding the Fourth Proportional to 679,042,898,166.75, 937,082,112,772.68 and 370,400,983,242.42

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Solution

The fourth proportional to 679,042,898,166.75, 937,082,112,772.68 and 370,400,983,242.42 is: 511,154,946,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,042,898,166.75 : 937,082,112,772.68 = 370,400,983,242.42 : x
  2. Step 2: Convert to fraction form
    679,042,898,166.75/937,082,112,772.68 = 370,400,983,242.42/x
  3. Step 3: Cross multiply
    679,042,898,166.75x = 937,082,112,772.68 × 370,400,983,242.42
  4. Step 4: Simplify right side
    679,042,898,166.75x = 347,096,135,949,884,948,742,144
  5. Step 5: Solve for x
    x = 347,096,135,949,884,948,742,144/679,042,898,166.75
  6. Step 6: Final answer
    x = 511,154,946,008.51

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Double scale
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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.