Home / 347,943,999,261.78-480,204,519,522.52-210,762,800,410.86

Finding the Fourth Proportional to 347,943,999,261.78, 480,204,519,522.52 and 210,762,800,410.86

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Solution

The fourth proportional to 347,943,999,261.78, 480,204,519,522.52 and 210,762,800,410.86 is: 290,877,984,731.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,943,999,261.78 : 480,204,519,522.52 = 210,762,800,410.86 : x
  2. Step 2: Convert to fraction form
    347,943,999,261.78/480,204,519,522.52 = 210,762,800,410.86/x
  3. Step 3: Cross multiply
    347,943,999,261.78x = 480,204,519,522.52 × 210,762,800,410.86
  4. Step 4: Simplify right side
    347,943,999,261.78x = 101,209,249,304,517,797,740,544
  5. Step 5: Solve for x
    x = 101,209,249,304,517,797,740,544/347,943,999,261.78
  6. Step 6: Final answer
    x = 290,877,984,731.02

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1.5x scale

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.