Home / 18,432,295,128.90-25,436,611,493.46-9,974,209,666.32

Finding the Fourth Proportional to 18,432,295,128.90, 25,436,611,493.46 and 9,974,209,666.32

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Solution

The fourth proportional to 18,432,295,128.90, 25,436,611,493.46 and 9,974,209,666.32 is: 13,764,433,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,295,128.90 : 25,436,611,493.46 = 9,974,209,666.32 : x
  2. Step 2: Convert to fraction form
    18,432,295,128.90/25,436,611,493.46 = 9,974,209,666.32/x
  3. Step 3: Cross multiply
    18,432,295,128.90x = 25,436,611,493.46 × 9,974,209,666.32
  4. Step 4: Simplify right side
    18,432,295,128.90x = 253,710,096,236,495,142,912
  5. Step 5: Solve for x
    x = 253,710,096,236,495,142,912/18,432,295,128.90
  6. Step 6: Final answer
    x = 13,764,433,265.76

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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.