Home / 394,909,343.40-592,364,015.10-190,835,999.40

Finding the Fourth Proportional to 394,909,343.40, 592,364,015.10 and 190,835,999.40

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Solution

The fourth proportional to 394,909,343.40, 592,364,015.10 and 190,835,999.40 is: 286,253,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,909,343.40 : 592,364,015.10 = 190,835,999.40 : x
  2. Step 2: Convert to fraction form
    394,909,343.40/592,364,015.10 = 190,835,999.40/x
  3. Step 3: Cross multiply
    394,909,343.40x = 592,364,015.10 × 190,835,999.40
  4. Step 4: Simplify right side
    394,909,343.40x = 113,044,378,830,205,200
  5. Step 5: Solve for x
    x = 113,044,378,830,205,200/394,909,343.40
  6. Step 6: Final answer
    x = 286,253,999.10

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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.