Home / 641,698,384,023.40-962,547,576,035.10-344,159,448,471.40

Finding the Fourth Proportional to 641,698,384,023.40, 962,547,576,035.10 and 344,159,448,471.40

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Solution

The fourth proportional to 641,698,384,023.40, 962,547,576,035.10 and 344,159,448,471.40 is: 516,239,172,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,698,384,023.40 : 962,547,576,035.10 = 344,159,448,471.40 : x
  2. Step 2: Convert to fraction form
    641,698,384,023.40/962,547,576,035.10 = 344,159,448,471.40/x
  3. Step 3: Cross multiply
    641,698,384,023.40x = 962,547,576,035.10 × 344,159,448,471.40
  4. Step 4: Simplify right side
    641,698,384,023.40x = 331,269,842,895,722,982,146,048
  5. Step 5: Solve for x
    x = 331,269,842,895,722,982,146,048/641,698,384,023.40
  6. Step 6: Final answer
    x = 516,239,172,707.10

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Double scale
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Similar ratio
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1.5x scale

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.