Home / 290,752,830,525.20-436,129,245,787.80-273,120,893,603.60

Finding the Fourth Proportional to 290,752,830,525.20, 436,129,245,787.80 and 273,120,893,603.60

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Solution

The fourth proportional to 290,752,830,525.20, 436,129,245,787.80 and 273,120,893,603.60 is: 409,681,340,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,752,830,525.20 : 436,129,245,787.80 = 273,120,893,603.60 : x
  2. Step 2: Convert to fraction form
    290,752,830,525.20/436,129,245,787.80 = 273,120,893,603.60/x
  3. Step 3: Cross multiply
    290,752,830,525.20x = 436,129,245,787.80 × 273,120,893,603.60
  4. Step 4: Simplify right side
    290,752,830,525.20x = 119,116,009,336,228,030,709,760
  5. Step 5: Solve for x
    x = 119,116,009,336,228,030,709,760/290,752,830,525.20
  6. Step 6: Final answer
    x = 409,681,340,405.40

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1.5x scale

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.