Home / 13,106,246,607.78-19,673,360,083.66-5,648,509,811.40

Finding the Fourth Proportional to 13,106,246,607.78, 19,673,360,083.66 and 5,648,509,811.40

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Solution

The fourth proportional to 13,106,246,607.78, 19,673,360,083.66 and 5,648,509,811.40 is: 8,478,794,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,246,607.78 : 19,673,360,083.66 = 5,648,509,811.40 : x
  2. Step 2: Convert to fraction form
    13,106,246,607.78/19,673,360,083.66 = 5,648,509,811.40/x
  3. Step 3: Cross multiply
    13,106,246,607.78x = 19,673,360,083.66 × 5,648,509,811.40
  4. Step 4: Simplify right side
    13,106,246,607.78x = 111,125,167,455,758,630,912
  5. Step 5: Solve for x
    x = 111,125,167,455,758,630,912/13,106,246,607.78
  6. Step 6: Final answer
    x = 8,478,794,179.70

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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.