Home / 21,302,295,999.90-31,953,443,999.85-8,889,534,851.10

Finding the Fourth Proportional to 21,302,295,999.90, 31,953,443,999.85 and 8,889,534,851.10

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Solution

The fourth proportional to 21,302,295,999.90, 31,953,443,999.85 and 8,889,534,851.10 is: 13,334,302,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302,295,999.90 : 31,953,443,999.85 = 8,889,534,851.10 : x
  2. Step 2: Convert to fraction form
    21,302,295,999.90/31,953,443,999.85 = 8,889,534,851.10/x
  3. Step 3: Cross multiply
    21,302,295,999.90x = 31,953,443,999.85 × 8,889,534,851.10
  4. Step 4: Simplify right side
    21,302,295,999.90x = 284,051,254,049,338,753,024
  5. Step 5: Solve for x
    x = 284,051,254,049,338,753,024/21,302,295,999.90
  6. Step 6: Final answer
    x = 13,334,302,276.65

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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.