Home / 403,353,444.40-605,030,166.60-265,603,937.20

Finding the Fourth Proportional to 403,353,444.40, 605,030,166.60 and 265,603,937.20

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Solution

The fourth proportional to 403,353,444.40, 605,030,166.60 and 265,603,937.20 is: 398,405,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,353,444.40 : 605,030,166.60 = 265,603,937.20 : x
  2. Step 2: Convert to fraction form
    403,353,444.40/605,030,166.60 = 265,603,937.20/x
  3. Step 3: Cross multiply
    403,353,444.40x = 605,030,166.60 × 265,603,937.20
  4. Step 4: Simplify right side
    403,353,444.40x = 160,698,394,373,731,936
  5. Step 5: Solve for x
    x = 160,698,394,373,731,936/403,353,444.40
  6. Step 6: Final answer
    x = 398,405,905.80

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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.