Home / 7,143,486,907.41-9,858,564,125.28-4,285,736,667.09

Finding the Fourth Proportional to 7,143,486,907.41, 9,858,564,125.28 and 4,285,736,667.09

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Solution

The fourth proportional to 7,143,486,907.41, 9,858,564,125.28 and 4,285,736,667.09 is: 5,914,647,888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,486,907.41 : 9,858,564,125.28 = 4,285,736,667.09 : x
  2. Step 2: Convert to fraction form
    7,143,486,907.41/9,858,564,125.28 = 4,285,736,667.09/x
  3. Step 3: Cross multiply
    7,143,486,907.41x = 9,858,564,125.28 × 4,285,736,667.09
  4. Step 4: Simplify right side
    7,143,486,907.41x = 42,251,209,756,570,550,272
  5. Step 5: Solve for x
    x = 42,251,209,756,570,550,272/7,143,486,907.41
  6. Step 6: Final answer
    x = 5,914,647,888.94

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Double scale
Find fourth proportional to 7,143,486,908.41, 9,858,564,126.66 and 4,285,736,668.09
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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.