Home / 679,042,898,262.55-937,082,112,904.52-370,400,983,338.19

Finding the Fourth Proportional to 679,042,898,262.55, 937,082,112,904.52 and 370,400,983,338.19

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Solution

The fourth proportional to 679,042,898,262.55, 937,082,112,904.52 and 370,400,983,338.19 is: 511,154,946,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,042,898,262.55 : 937,082,112,904.52 = 370,400,983,338.19 : x
  2. Step 2: Convert to fraction form
    679,042,898,262.55/937,082,112,904.52 = 370,400,983,338.19/x
  3. Step 3: Cross multiply
    679,042,898,262.55x = 937,082,112,904.52 × 370,400,983,338.19
  4. Step 4: Simplify right side
    679,042,898,262.55x = 347,096,136,088,463,008,071,680
  5. Step 5: Solve for x
    x = 347,096,136,088,463,008,071,680/679,042,898,262.55
  6. Step 6: Final answer
    x = 511,154,946,140.47

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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.