Home / 684,962,930.34-945,248,843.96-371,697,144.32

Finding the Fourth Proportional to 684,962,930.34, 945,248,843.96 and 371,697,144.32

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Solution

The fourth proportional to 684,962,930.34, 945,248,843.96 and 371,697,144.32 is: 512,942,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,962,930.34 : 945,248,843.96 = 371,697,144.32 : x
  2. Step 2: Convert to fraction form
    684,962,930.34/945,248,843.96 = 371,697,144.32/x
  3. Step 3: Cross multiply
    684,962,930.34x = 945,248,843.96 × 371,697,144.32
  4. Step 4: Simplify right side
    684,962,930.34x = 351,346,295,971,713,280
  5. Step 5: Solve for x
    x = 351,346,295,971,713,280/684,962,930.34
  6. Step 6: Final answer
    x = 512,942,059.21

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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.