Home / 3,979,758,160.32-5,970,402,390.24-1,525,903,673.28

Finding the Fourth Proportional to 3,979,758,160.32, 5,970,402,390.24 and 1,525,903,673.28

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Solution

The fourth proportional to 3,979,758,160.32, 5,970,402,390.24 and 1,525,903,673.28 is: 2,289,148,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,758,160.32 : 5,970,402,390.24 = 1,525,903,673.28 : x
  2. Step 2: Convert to fraction form
    3,979,758,160.32/5,970,402,390.24 = 1,525,903,673.28/x
  3. Step 3: Cross multiply
    3,979,758,160.32x = 5,970,402,390.24 × 1,525,903,673.28
  4. Step 4: Simplify right side
    3,979,758,160.32x = 9,110,258,938,226,907,136
  5. Step 5: Solve for x
    x = 9,110,258,938,226,907,136/3,979,758,160.32
  6. Step 6: Final answer
    x = 2,289,148,880.72

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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.