Home / 836,793,741.20-1,154,740,686.27-455,317,351.25

Finding the Fourth Proportional to 836,793,741.20, 1,154,740,686.27 and 455,317,351.25

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Solution

The fourth proportional to 836,793,741.20, 1,154,740,686.27 and 455,317,351.25 is: 628,319,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,793,741.20 : 1,154,740,686.27 = 455,317,351.25 : x
  2. Step 2: Convert to fraction form
    836,793,741.20/1,154,740,686.27 = 455,317,351.25/x
  3. Step 3: Cross multiply
    836,793,741.20x = 1,154,740,686.27 × 455,317,351.25
  4. Step 4: Simplify right side
    836,793,741.20x = 525,773,470,653,063,616
  5. Step 5: Solve for x
    x = 525,773,470,653,063,616/836,793,741.20
  6. Step 6: Final answer
    x = 628,319,076.45

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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.