Home / 286,848,788.09-429,382,509.98-155,364,496.43

Finding the Fourth Proportional to 286,848,788.09, 429,382,509.98 and 155,364,496.43

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Solution

The fourth proportional to 286,848,788.09, 429,382,509.98 and 155,364,496.43 is: 232,564,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,848,788.09 : 429,382,509.98 = 155,364,496.43 : x
  2. Step 2: Convert to fraction form
    286,848,788.09/429,382,509.98 = 155,364,496.43/x
  3. Step 3: Cross multiply
    286,848,788.09x = 429,382,509.98 × 155,364,496.43
  4. Step 4: Simplify right side
    286,848,788.09x = 66,710,797,435,968,424
  5. Step 5: Solve for x
    x = 66,710,797,435,968,424/286,848,788.09
  6. Step 6: Final answer
    x = 232,564,334.27

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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.