Home / 579,464,002.40-869,196,003.60-191,346,735.20

Finding the Fourth Proportional to 579,464,002.40, 869,196,003.60 and 191,346,735.20

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Solution

The fourth proportional to 579,464,002.40, 869,196,003.60 and 191,346,735.20 is: 287,020,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,464,002.40 : 869,196,003.60 = 191,346,735.20 : x
  2. Step 2: Convert to fraction form
    579,464,002.40/869,196,003.60 = 191,346,735.20/x
  3. Step 3: Cross multiply
    579,464,002.40x = 869,196,003.60 × 191,346,735.20
  4. Step 4: Simplify right side
    579,464,002.40x = 166,317,817,537,747,456
  5. Step 5: Solve for x
    x = 166,317,817,537,747,456/579,464,002.40
  6. Step 6: Final answer
    x = 287,020,102.80

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Double scale
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Similar ratio
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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.