Home / 608,156,340.85-839,318,302.88-370,018,431.44

Finding the Fourth Proportional to 608,156,340.85, 839,318,302.88 and 370,018,431.44

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Solution

The fourth proportional to 608,156,340.85, 839,318,302.88 and 370,018,431.44 is: 510,663,494.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,156,340.85 : 839,318,302.88 = 370,018,431.44 : x
  2. Step 2: Convert to fraction form
    608,156,340.85/839,318,302.88 = 370,018,431.44/x
  3. Step 3: Cross multiply
    608,156,340.85x = 839,318,302.88 × 370,018,431.44
  4. Step 4: Simplify right side
    608,156,340.85x = 310,563,241,914,467,904
  5. Step 5: Solve for x
    x = 310,563,241,914,467,904/608,156,340.85
  6. Step 6: Final answer
    x = 510,663,494.00

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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.