Home / 6,989,847,994.45-9,645,925,042.24-3,818,030,697.01

Finding the Fourth Proportional to 6,989,847,994.45, 9,645,925,042.24 and 3,818,030,697.01

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Solution

The fourth proportional to 6,989,847,994.45, 9,645,925,042.24 and 3,818,030,697.01 is: 5,268,846,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,847,994.45 : 9,645,925,042.24 = 3,818,030,697.01 : x
  2. Step 2: Convert to fraction form
    6,989,847,994.45/9,645,925,042.24 = 3,818,030,697.01/x
  3. Step 3: Cross multiply
    6,989,847,994.45x = 9,645,925,042.24 × 3,818,030,697.01
  4. Step 4: Simplify right side
    6,989,847,994.45x = 36,828,437,912,329,801,728
  5. Step 5: Solve for x
    x = 36,828,437,912,329,801,728/6,989,847,994.45
  6. Step 6: Final answer
    x = 5,268,846,753.40

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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.