Home / 14,920,193,382.72-20,599,159,084.80-9,497,788,509.60

Finding the Fourth Proportional to 14,920,193,382.72, 20,599,159,084.80 and 9,497,788,509.60

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Solution

The fourth proportional to 14,920,193,382.72, 20,599,159,084.80 and 9,497,788,509.60 is: 13,112,863,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920,193,382.72 : 20,599,159,084.80 = 9,497,788,509.60 : x
  2. Step 2: Convert to fraction form
    14,920,193,382.72/20,599,159,084.80 = 9,497,788,509.60/x
  3. Step 3: Cross multiply
    14,920,193,382.72x = 20,599,159,084.80 × 9,497,788,509.60
  4. Step 4: Simplify right side
    14,920,193,382.72x = 195,646,456,463,035,891,712
  5. Step 5: Solve for x
    x = 195,646,456,463,035,891,712/14,920,193,382.72
  6. Step 6: Final answer
    x = 13,112,863,315.14

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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.