Home / 907,155,443.45-1,359,627,690.14-470,215,238.33

Finding the Fourth Proportional to 907,155,443.45, 1,359,627,690.14 and 470,215,238.33

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Solution

The fourth proportional to 907,155,443.45, 1,359,627,690.14 and 470,215,238.33 is: 704,749,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,155,443.45 : 1,359,627,690.14 = 470,215,238.33 : x
  2. Step 2: Convert to fraction form
    907,155,443.45/1,359,627,690.14 = 470,215,238.33/x
  3. Step 3: Cross multiply
    907,155,443.45x = 1,359,627,690.14 × 470,215,238.33
  4. Step 4: Simplify right side
    907,155,443.45x = 639,317,658,362,082,176
  5. Step 5: Solve for x
    x = 639,317,658,362,082,176/907,155,443.45
  6. Step 6: Final answer
    x = 704,749,845.22

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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.