Home / 684,962,933.34-945,248,848.10-371,697,147.32

Finding the Fourth Proportional to 684,962,933.34, 945,248,848.10 and 371,697,147.32

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Solution

The fourth proportional to 684,962,933.34, 945,248,848.10 and 371,697,147.32 is: 512,942,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,962,933.34 : 945,248,848.10 = 371,697,147.32 : x
  2. Step 2: Convert to fraction form
    684,962,933.34/945,248,848.10 = 371,697,147.32/x
  3. Step 3: Cross multiply
    684,962,933.34x = 945,248,848.10 × 371,697,147.32
  4. Step 4: Simplify right side
    684,962,933.34x = 351,346,300,346,286,016
  5. Step 5: Solve for x
    x = 351,346,300,346,286,016/684,962,933.34
  6. Step 6: Final answer
    x = 512,942,063.35

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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.