Home / 394,909,359.40-592,364,039.10-190,836,015.40

Finding the Fourth Proportional to 394,909,359.40, 592,364,039.10 and 190,836,015.40

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Solution

The fourth proportional to 394,909,359.40, 592,364,039.10 and 190,836,015.40 is: 286,254,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,909,359.40 : 592,364,039.10 = 190,836,015.40 : x
  2. Step 2: Convert to fraction form
    394,909,359.40/592,364,039.10 = 190,836,015.40/x
  3. Step 3: Cross multiply
    394,909,359.40x = 592,364,039.10 × 190,836,015.40
  4. Step 4: Simplify right side
    394,909,359.40x = 113,044,392,888,093,808
  5. Step 5: Solve for x
    x = 113,044,392,888,093,808/394,909,359.40
  6. Step 6: Final answer
    x = 286,254,023.10

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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.