Home / 20,191,299,795-27,863,480,384.46-11,280,695,470.20

Finding the Fourth Proportional to 20,191,299,795, 27,863,480,384.46 and 11,280,695,470.20

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Solution

The fourth proportional to 20,191,299,795, 27,863,480,384.46 and 11,280,695,470.20 is: 15,567,072,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191,299,795 : 27,863,480,384.46 = 11,280,695,470.20 : x
  2. Step 2: Convert to fraction form
    20,191,299,795/27,863,480,384.46 = 11,280,695,470.20/x
  3. Step 3: Cross multiply
    20,191,299,795x = 27,863,480,384.46 × 11,280,695,470.20
  4. Step 4: Simplify right side
    20,191,299,795x = 314,319,436,956,984,475,648
  5. Step 5: Solve for x
    x = 314,319,436,956,984,475,648/20,191,299,795
  6. Step 6: Final answer
    x = 15,567,072,954.60

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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.