Home / 20,352,179,487-30,528,280,384.20-9,302,947,140.72

Finding the Fourth Proportional to 20,352,179,487, 30,528,280,384.20 and 9,302,947,140.72

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Solution

The fourth proportional to 20,352,179,487, 30,528,280,384.20 and 9,302,947,140.72 is: 13,954,425,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352,179,487 : 30,528,280,384.20 = 9,302,947,140.72 : x
  2. Step 2: Convert to fraction form
    20,352,179,487/30,528,280,384.20 = 9,302,947,140.72/x
  3. Step 3: Cross multiply
    20,352,179,487x = 30,528,280,384.20 × 9,302,947,140.72
  4. Step 4: Simplify right side
    20,352,179,487x = 284,002,978,711,291,854,848
  5. Step 5: Solve for x
    x = 284,002,978,711,291,854,848/20,352,179,487
  6. Step 6: Final answer
    x = 13,954,425,809.42

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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.