Home / 394,897,430.40-592,346,145.60-190,824,086.40

Finding the Fourth Proportional to 394,897,430.40, 592,346,145.60 and 190,824,086.40

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Solution

The fourth proportional to 394,897,430.40, 592,346,145.60 and 190,824,086.40 is: 286,236,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,897,430.40 : 592,346,145.60 = 190,824,086.40 : x
  2. Step 2: Convert to fraction form
    394,897,430.40/592,346,145.60 = 190,824,086.40/x
  3. Step 3: Cross multiply
    394,897,430.40x = 592,346,145.60 × 190,824,086.40
  4. Step 4: Simplify right side
    394,897,430.40x = 113,033,912,066,681,392
  5. Step 5: Solve for x
    x = 113,033,912,066,681,392/394,897,430.40
  6. Step 6: Final answer
    x = 286,236,129.60

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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.