Home / 579,494,837.70-869,242,256.55-349,345,455.30

Finding the Fourth Proportional to 579,494,837.70, 869,242,256.55 and 349,345,455.30

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Solution

The fourth proportional to 579,494,837.70, 869,242,256.55 and 349,345,455.30 is: 524,018,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,494,837.70 : 869,242,256.55 = 349,345,455.30 : x
  2. Step 2: Convert to fraction form
    579,494,837.70/869,242,256.55 = 349,345,455.30/x
  3. Step 3: Cross multiply
    579,494,837.70x = 869,242,256.55 × 349,345,455.30
  4. Step 4: Simplify right side
    579,494,837.70x = 303,665,831,880,459,136
  5. Step 5: Solve for x
    x = 303,665,831,880,459,136/579,494,837.70
  6. Step 6: Final answer
    x = 524,018,182.95

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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.