Home / 394,909,350.40-592,364,025.60-190,836,006.40

Finding the Fourth Proportional to 394,909,350.40, 592,364,025.60 and 190,836,006.40

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Solution

The fourth proportional to 394,909,350.40, 592,364,025.60 and 190,836,006.40 is: 286,254,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,909,350.40 : 592,364,025.60 = 190,836,006.40 : x
  2. Step 2: Convert to fraction form
    394,909,350.40/592,364,025.60 = 190,836,006.40/x
  3. Step 3: Cross multiply
    394,909,350.40x = 592,364,025.60 × 190,836,006.40
  4. Step 4: Simplify right side
    394,909,350.40x = 113,044,384,980,531,376
  5. Step 5: Solve for x
    x = 113,044,384,980,531,376/394,909,350.40
  6. Step 6: Final answer
    x = 286,254,009.60

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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.