Home / 6,318,374,751.63-8,719,631,243.80-3,498,982,677.38

Finding the Fourth Proportional to 6,318,374,751.63, 8,719,631,243.80 and 3,498,982,677.38

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Solution

The fourth proportional to 6,318,374,751.63, 8,719,631,243.80 and 3,498,982,677.38 is: 4,828,747,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318,374,751.63 : 8,719,631,243.80 = 3,498,982,677.38 : x
  2. Step 2: Convert to fraction form
    6,318,374,751.63/8,719,631,243.80 = 3,498,982,677.38/x
  3. Step 3: Cross multiply
    6,318,374,751.63x = 8,719,631,243.80 × 3,498,982,677.38
  4. Step 4: Simplify right side
    6,318,374,751.63x = 30,509,838,675,210,678,272
  5. Step 5: Solve for x
    x = 30,509,838,675,210,678,272/6,318,374,751.63
  6. Step 6: Final answer
    x = 4,828,747,878.14

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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.