Home / 293,448,291.60-440,172,437.40-253,137,507.60

Finding the Fourth Proportional to 293,448,291.60, 440,172,437.40 and 253,137,507.60

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Solution

The fourth proportional to 293,448,291.60, 440,172,437.40 and 253,137,507.60 is: 379,706,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,448,291.60 : 440,172,437.40 = 253,137,507.60 : x
  2. Step 2: Convert to fraction form
    293,448,291.60/440,172,437.40 = 253,137,507.60/x
  3. Step 3: Cross multiply
    293,448,291.60x = 440,172,437.40 × 253,137,507.60
  4. Step 4: Simplify right side
    293,448,291.60x = 111,424,153,717,653,008
  5. Step 5: Solve for x
    x = 111,424,153,717,653,008/293,448,291.60
  6. Step 6: Final answer
    x = 379,706,261.40

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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.