Home / 14,217,239,639.47-19,610,343,670.78-9,143,018,865.15

Finding the Fourth Proportional to 14,217,239,639.47, 19,610,343,670.78 and 9,143,018,865.15

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Solution

The fourth proportional to 14,217,239,639.47, 19,610,343,670.78 and 9,143,018,865.15 is: 12,611,290,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217,239,639.47 : 19,610,343,670.78 = 9,143,018,865.15 : x
  2. Step 2: Convert to fraction form
    14,217,239,639.47/19,610,343,670.78 = 9,143,018,865.15/x
  3. Step 3: Cross multiply
    14,217,239,639.47x = 19,610,343,670.78 × 9,143,018,865.15
  4. Step 4: Simplify right side
    14,217,239,639.47x = 179,297,742,133,989,670,912
  5. Step 5: Solve for x
    x = 179,297,742,133,989,670,912/14,217,239,639.47
  6. Step 6: Final answer
    x = 12,611,290,706.27

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Double scale
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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.