Home / 907,155,434.83-1,359,627,677.20-470,215,229.71

Finding the Fourth Proportional to 907,155,434.83, 1,359,627,677.20 and 470,215,229.71

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Solution

The fourth proportional to 907,155,434.83, 1,359,627,677.20 and 470,215,229.71 is: 704,749,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,155,434.83 : 1,359,627,677.20 = 470,215,229.71 : x
  2. Step 2: Convert to fraction form
    907,155,434.83/1,359,627,677.20 = 470,215,229.71/x
  3. Step 3: Cross multiply
    907,155,434.83x = 1,359,627,677.20 × 470,215,229.71
  4. Step 4: Simplify right side
    907,155,434.83x = 639,317,640,551,883,904
  5. Step 5: Solve for x
    x = 639,317,640,551,883,904/907,155,434.83
  6. Step 6: Final answer
    x = 704,749,832.29

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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.