Home / 1,316,151,022.56-1,974,206,604.95-320,181,430.26

Finding the Fourth Proportional to 1,316,151,022.56, 1,974,206,604.95 and 320,181,430.26

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Solution

The fourth proportional to 1,316,151,022.56, 1,974,206,604.95 and 320,181,430.26 is: 480,267,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,151,022.56 : 1,974,206,604.95 = 320,181,430.26 : x
  2. Step 2: Convert to fraction form
    1,316,151,022.56/1,974,206,604.95 = 320,181,430.26/x
  3. Step 3: Cross multiply
    1,316,151,022.56x = 1,974,206,604.95 × 320,181,430.26
  4. Step 4: Simplify right side
    1,316,151,022.56x = 632,104,294,408,668,544
  5. Step 5: Solve for x
    x = 632,104,294,408,668,544/1,316,151,022.56
  6. Step 6: Final answer
    x = 480,267,297.27

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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.