Home / 1,041,287,917.92-1,436,973,383.36-571,397,100.72

Finding the Fourth Proportional to 1,041,287,917.92, 1,436,973,383.36 and 571,397,100.72

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Solution

The fourth proportional to 1,041,287,917.92, 1,436,973,383.36 and 571,397,100.72 is: 788,525,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,287,917.92 : 1,436,973,383.36 = 571,397,100.72 : x
  2. Step 2: Convert to fraction form
    1,041,287,917.92/1,436,973,383.36 = 571,397,100.72/x
  3. Step 3: Cross multiply
    1,041,287,917.92x = 1,436,973,383.36 × 571,397,100.72
  4. Step 4: Simplify right side
    1,041,287,917.92x = 821,082,425,063,713,024
  5. Step 5: Solve for x
    x = 821,082,425,063,713,024/1,041,287,917.92
  6. Step 6: Final answer
    x = 788,525,835.11

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Double scale
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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.