Home / 907,155,434.33-1,359,627,676.45-470,215,229.21

Finding the Fourth Proportional to 907,155,434.33, 1,359,627,676.45 and 470,215,229.21

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Solution

The fourth proportional to 907,155,434.33, 1,359,627,676.45 and 470,215,229.21 is: 704,749,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,155,434.33 : 1,359,627,676.45 = 470,215,229.21 : x
  2. Step 2: Convert to fraction form
    907,155,434.33/1,359,627,676.45 = 470,215,229.21/x
  3. Step 3: Cross multiply
    907,155,434.33x = 1,359,627,676.45 × 470,215,229.21
  4. Step 4: Simplify right side
    907,155,434.33x = 639,317,639,522,196,480
  5. Step 5: Solve for x
    x = 639,317,639,522,196,480/907,155,434.33
  6. Step 6: Final answer
    x = 704,749,831.54

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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.