Home / 579,492,083.40-869,238,125.10-191,374,816.20

Finding the Fourth Proportional to 579,492,083.40, 869,238,125.10 and 191,374,816.20

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Solution

The fourth proportional to 579,492,083.40, 869,238,125.10 and 191,374,816.20 is: 287,062,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,492,083.40 : 869,238,125.10 = 191,374,816.20 : x
  2. Step 2: Convert to fraction form
    579,492,083.40/869,238,125.10 = 191,374,816.20/x
  3. Step 3: Cross multiply
    579,492,083.40x = 869,238,125.10 × 191,374,816.20
  4. Step 4: Simplify right side
    579,492,083.40x = 166,350,286,425,045,088
  5. Step 5: Solve for x
    x = 166,350,286,425,045,088/579,492,083.40
  6. Step 6: Final answer
    x = 287,062,224.30

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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.