Home / 395,678,474.40-593,517,711.60-191,605,130.40

Finding the Fourth Proportional to 395,678,474.40, 593,517,711.60 and 191,605,130.40

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Solution

The fourth proportional to 395,678,474.40, 593,517,711.60 and 191,605,130.40 is: 287,407,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,678,474.40 : 593,517,711.60 = 191,605,130.40 : x
  2. Step 2: Convert to fraction form
    395,678,474.40/593,517,711.60 = 191,605,130.40/x
  3. Step 3: Cross multiply
    395,678,474.40x = 593,517,711.60 × 191,605,130.40
  4. Step 4: Simplify right side
    395,678,474.40x = 113,721,038,525,827,600
  5. Step 5: Solve for x
    x = 113,721,038,525,827,600/395,678,474.40
  6. Step 6: Final answer
    x = 287,407,695.60

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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.