Home / 21,302,296,000.40-31,953,444,000.60-8,889,534,851.60

Finding the Fourth Proportional to 21,302,296,000.40, 31,953,444,000.60 and 8,889,534,851.60

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Solution

The fourth proportional to 21,302,296,000.40, 31,953,444,000.60 and 8,889,534,851.60 is: 13,334,302,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302,296,000.40 : 31,953,444,000.60 = 8,889,534,851.60 : x
  2. Step 2: Convert to fraction form
    21,302,296,000.40/31,953,444,000.60 = 8,889,534,851.60/x
  3. Step 3: Cross multiply
    21,302,296,000.40x = 31,953,444,000.60 × 8,889,534,851.60
  4. Step 4: Simplify right side
    21,302,296,000.40x = 284,051,254,071,982,620,672
  5. Step 5: Solve for x
    x = 284,051,254,071,982,620,672/21,302,296,000.40
  6. Step 6: Final answer
    x = 13,334,302,277.40

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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.