Home / 692,089,630.17-955,089,645.66-394,746,933.57

Finding the Fourth Proportional to 692,089,630.17, 955,089,645.66 and 394,746,933.57

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Solution

The fourth proportional to 692,089,630.17, 955,089,645.66 and 394,746,933.57 is: 544,754,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,089,630.17 : 955,089,645.66 = 394,746,933.57 : x
  2. Step 2: Convert to fraction form
    692,089,630.17/955,089,645.66 = 394,746,933.57/x
  3. Step 3: Cross multiply
    692,089,630.17x = 955,089,645.66 × 394,746,933.57
  4. Step 4: Simplify right side
    692,089,630.17x = 377,018,708,908,742,848
  5. Step 5: Solve for x
    x = 377,018,708,908,742,848/692,089,630.17
  6. Step 6: Final answer
    x = 544,754,165.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.