Home / 394,464,094.96-591,776,842.74-135,645,702.16

Finding the Fourth Proportional to 394,464,094.96, 591,776,842.74 and 135,645,702.16

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Solution

The fourth proportional to 394,464,094.96, 591,776,842.74 and 135,645,702.16 is: 203,496,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,464,094.96 : 591,776,842.74 = 135,645,702.16 : x
  2. Step 2: Convert to fraction form
    394,464,094.96/591,776,842.74 = 135,645,702.16/x
  3. Step 3: Cross multiply
    394,464,094.96x = 591,776,842.74 × 135,645,702.16
  4. Step 4: Simplify right side
    394,464,094.96x = 80,271,985,355,495,200
  5. Step 5: Solve for x
    x = 80,271,985,355,495,200/394,464,094.96
  6. Step 6: Final answer
    x = 203,496,303.93

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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.