Home / 6,438,528,048.45-9,657,792,072.68-6,397,713,379.65

Finding the Fourth Proportional to 6,438,528,048.45, 9,657,792,072.68 and 6,397,713,379.65

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Solution

The fourth proportional to 6,438,528,048.45, 9,657,792,072.68 and 6,397,713,379.65 is: 9,596,570,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,528,048.45 : 9,657,792,072.68 = 6,397,713,379.65 : x
  2. Step 2: Convert to fraction form
    6,438,528,048.45/9,657,792,072.68 = 6,397,713,379.65/x
  3. Step 3: Cross multiply
    6,438,528,048.45x = 9,657,792,072.68 × 6,397,713,379.65
  4. Step 4: Simplify right side
    6,438,528,048.45x = 61,787,785,561,262,538,752
  5. Step 5: Solve for x
    x = 61,787,785,561,262,538,752/6,438,528,048.45
  6. Step 6: Final answer
    x = 9,596,570,069.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.