Home / 907,155,721.96-1,359,628,107.42-470,215,516.84

Finding the Fourth Proportional to 907,155,721.96, 1,359,628,107.42 and 470,215,516.84

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Solution

The fourth proportional to 907,155,721.96, 1,359,628,107.42 and 470,215,516.84 is: 704,750,262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,155,721.96 : 1,359,628,107.42 = 470,215,516.84 : x
  2. Step 2: Convert to fraction form
    907,155,721.96/1,359,628,107.42 = 470,215,516.84/x
  3. Step 3: Cross multiply
    907,155,721.96x = 1,359,628,107.42 × 470,215,516.84
  4. Step 4: Simplify right side
    907,155,721.96x = 639,318,233,240,686,336
  5. Step 5: Solve for x
    x = 639,318,233,240,686,336/907,155,721.96
  6. Step 6: Final answer
    x = 704,750,262.57

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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.