Home / 706,492,302.98-974,941,558.13-388,949,379.62

Finding the Fourth Proportional to 706,492,302.98, 974,941,558.13 and 388,949,379.62

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Solution

The fourth proportional to 706,492,302.98, 974,941,558.13 and 388,949,379.62 is: 536,740,333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,492,302.98 : 974,941,558.13 = 388,949,379.62 : x
  2. Step 2: Convert to fraction form
    706,492,302.98/974,941,558.13 = 388,949,379.62/x
  3. Step 3: Cross multiply
    706,492,302.98x = 974,941,558.13 × 388,949,379.62
  4. Step 4: Simplify right side
    706,492,302.98x = 379,202,914,193,600,192
  5. Step 5: Solve for x
    x = 379,202,914,193,600,192/706,492,302.98
  6. Step 6: Final answer
    x = 536,740,333.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.