Home / 13,509,122,106.78-20,235,176,111.34-10,838,720,442.60

Finding the Fourth Proportional to 13,509,122,106.78, 20,235,176,111.34 and 10,838,720,442.60

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Solution

The fourth proportional to 13,509,122,106.78, 20,235,176,111.34 and 10,838,720,442.60 is: 16,235,208,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509,122,106.78 : 20,235,176,111.34 = 10,838,720,442.60 : x
  2. Step 2: Convert to fraction form
    13,509,122,106.78/20,235,176,111.34 = 10,838,720,442.60/x
  3. Step 3: Cross multiply
    13,509,122,106.78x = 20,235,176,111.34 × 10,838,720,442.60
  4. Step 4: Simplify right side
    13,509,122,106.78x = 219,323,416,977,592,025,088
  5. Step 5: Solve for x
    x = 219,323,416,977,592,025,088/13,509,122,106.78
  6. Step 6: Final answer
    x = 16,235,208,716.30

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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.