Home / 1,038,336,023.80-1,557,504,035.70-629,853,412.60

Finding the Fourth Proportional to 1,038,336,023.80, 1,557,504,035.70 and 629,853,412.60

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Solution

The fourth proportional to 1,038,336,023.80, 1,557,504,035.70 and 629,853,412.60 is: 944,780,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,336,023.80 : 1,557,504,035.70 = 629,853,412.60 : x
  2. Step 2: Convert to fraction form
    1,038,336,023.80/1,557,504,035.70 = 629,853,412.60/x
  3. Step 3: Cross multiply
    1,038,336,023.80x = 1,557,504,035.70 × 629,853,412.60
  4. Step 4: Simplify right side
    1,038,336,023.80x = 980,999,232,023,917,312
  5. Step 5: Solve for x
    x = 980,999,232,023,917,312/1,038,336,023.80
  6. Step 6: Final answer
    x = 944,780,118.90

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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.