Home / 15,630,678,985.04-23,450,618,996.04-5,681,965,880.78

Finding the Fourth Proportional to 15,630,678,985.04, 23,450,618,996.04 and 5,681,965,880.78

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Solution

The fourth proportional to 15,630,678,985.04, 23,450,618,996.04 and 5,681,965,880.78 is: 8,524,621,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630,678,985.04 : 23,450,618,996.04 = 5,681,965,880.78 : x
  2. Step 2: Convert to fraction form
    15,630,678,985.04/23,450,618,996.04 = 5,681,965,880.78/x
  3. Step 3: Cross multiply
    15,630,678,985.04x = 23,450,618,996.04 × 5,681,965,880.78
  4. Step 4: Simplify right side
    15,630,678,985.04x = 133,245,617,018,670,612,480
  5. Step 5: Solve for x
    x = 133,245,617,018,670,612,480/15,630,678,985.04
  6. Step 6: Final answer
    x = 8,524,621,172.64

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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.