Home / 14,421,917,567.76-19,902,363,099.78-7,991,844,954.36

Finding the Fourth Proportional to 14,421,917,567.76, 19,902,363,099.78 and 7,991,844,954.36

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Solution

The fourth proportional to 14,421,917,567.76, 19,902,363,099.78 and 7,991,844,954.36 is: 11,028,810,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421,917,567.76 : 19,902,363,099.78 = 7,991,844,954.36 : x
  2. Step 2: Convert to fraction form
    14,421,917,567.76/19,902,363,099.78 = 7,991,844,954.36/x
  3. Step 3: Cross multiply
    14,421,917,567.76x = 19,902,363,099.78 × 7,991,844,954.36
  4. Step 4: Simplify right side
    14,421,917,567.76x = 159,056,600,118,817,423,360
  5. Step 5: Solve for x
    x = 159,056,600,118,817,423,360/14,421,917,567.76
  6. Step 6: Final answer
    x = 11,028,810,792.43

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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.