Home / 775,301,890.60-1,070,007,062.37-440,824,529.72

Finding the Fourth Proportional to 775,301,890.60, 1,070,007,062.37 and 440,824,529.72

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Solution

The fourth proportional to 775,301,890.60, 1,070,007,062.37 and 440,824,529.72 is: 608,389,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,301,890.60 : 1,070,007,062.37 = 440,824,529.72 : x
  2. Step 2: Convert to fraction form
    775,301,890.60/1,070,007,062.37 = 440,824,529.72/x
  3. Step 3: Cross multiply
    775,301,890.60x = 1,070,007,062.37 × 440,824,529.72
  4. Step 4: Simplify right side
    775,301,890.60x = 471,685,360,066,334,016
  5. Step 5: Solve for x
    x = 471,685,360,066,334,016/775,301,890.60
  6. Step 6: Final answer
    x = 608,389,281.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.