Home / 6,989,848,025.76-9,645,925,085.22-3,818,030,728.32

Finding the Fourth Proportional to 6,989,848,025.76, 9,645,925,085.22 and 3,818,030,728.32

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Solution

The fourth proportional to 6,989,848,025.76, 9,645,925,085.22 and 3,818,030,728.32 is: 5,268,846,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,848,025.76 : 9,645,925,085.22 = 3,818,030,728.32 : x
  2. Step 2: Convert to fraction form
    6,989,848,025.76/9,645,925,085.22 = 3,818,030,728.32/x
  3. Step 3: Cross multiply
    6,989,848,025.76x = 9,645,925,085.22 × 3,818,030,728.32
  4. Step 4: Simplify right side
    6,989,848,025.76x = 36,828,438,378,442,674,176
  5. Step 5: Solve for x
    x = 36,828,438,378,442,674,176/6,989,848,025.76
  6. Step 6: Final answer
    x = 5,268,846,796.49

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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.