Home / 394,909,376.40-592,364,064.60-190,836,032.40

Finding the Fourth Proportional to 394,909,376.40, 592,364,064.60 and 190,836,032.40

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Solution

The fourth proportional to 394,909,376.40, 592,364,064.60 and 190,836,032.40 is: 286,254,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,909,376.40 : 592,364,064.60 = 190,836,032.40 : x
  2. Step 2: Convert to fraction form
    394,909,376.40/592,364,064.60 = 190,836,032.40/x
  3. Step 3: Cross multiply
    394,909,376.40x = 592,364,064.60 × 190,836,032.40
  4. Step 4: Simplify right side
    394,909,376.40x = 113,044,407,824,601,296
  5. Step 5: Solve for x
    x = 113,044,407,824,601,296/394,909,376.40
  6. Step 6: Final answer
    x = 286,254,048.60

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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.