Home / 354,294,311.40-531,441,467.10-308,944,679.40

Finding the Fourth Proportional to 354,294,311.40, 531,441,467.10 and 308,944,679.40

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Solution

The fourth proportional to 354,294,311.40, 531,441,467.10 and 308,944,679.40 is: 463,417,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,311.40 : 531,441,467.10 = 308,944,679.40 : x
  2. Step 2: Convert to fraction form
    354,294,311.40/531,441,467.10 = 308,944,679.40/x
  3. Step 3: Cross multiply
    354,294,311.40x = 531,441,467.10 × 308,944,679.40
  4. Step 4: Simplify right side
    354,294,311.40x = 164,186,013,673,075,136
  5. Step 5: Solve for x
    x = 164,186,013,673,075,136/354,294,311.40
  6. Step 6: Final answer
    x = 463,417,019.10

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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.