Home / 697,795,318.32-962,963,907.60-384,540,771.84

Finding the Fourth Proportional to 697,795,318.32, 962,963,907.60 and 384,540,771.84

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Solution

The fourth proportional to 697,795,318.32, 962,963,907.60 and 384,540,771.84 is: 530,669,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,795,318.32 : 962,963,907.60 = 384,540,771.84 : x
  2. Step 2: Convert to fraction form
    697,795,318.32/962,963,907.60 = 384,540,771.84/x
  3. Step 3: Cross multiply
    697,795,318.32x = 962,963,907.60 × 384,540,771.84
  4. Step 4: Simplify right side
    697,795,318.32x = 370,298,884,282,566,400
  5. Step 5: Solve for x
    x = 370,298,884,282,566,400/697,795,318.32
  6. Step 6: Final answer
    x = 530,669,774.59

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Double scale
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1.5x scale

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.