Home / 392,036,920,129.80-587,706,503,999.58-153,217,259,160.84

Finding the Fourth Proportional to 392,036,920,129.80, 587,706,503,999.58 and 153,217,259,160.84

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Solution

The fourth proportional to 392,036,920,129.80, 587,706,503,999.58 and 153,217,259,160.84 is: 229,689,539,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,036,920,129.80 : 587,706,503,999.58 = 153,217,259,160.84 : x
  2. Step 2: Convert to fraction form
    392,036,920,129.80/587,706,503,999.58 = 153,217,259,160.84/x
  3. Step 3: Cross multiply
    392,036,920,129.80x = 587,706,503,999.58 × 153,217,259,160.84
  4. Step 4: Simplify right side
    392,036,920,129.80x = 90,046,779,733,814,888,366,080
  5. Step 5: Solve for x
    x = 90,046,779,733,814,888,366,080/392,036,920,129.80
  6. Step 6: Final answer
    x = 229,689,539,709.68

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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.