Home / 13,418,889,956.80-20,128,334,935.20-4,585,702,807.60

Finding the Fourth Proportional to 13,418,889,956.80, 20,128,334,935.20 and 4,585,702,807.60

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Solution

The fourth proportional to 13,418,889,956.80, 20,128,334,935.20 and 4,585,702,807.60 is: 6,878,554,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418,889,956.80 : 20,128,334,935.20 = 4,585,702,807.60 : x
  2. Step 2: Convert to fraction form
    13,418,889,956.80/20,128,334,935.20 = 4,585,702,807.60/x
  3. Step 3: Cross multiply
    13,418,889,956.80x = 20,128,334,935.20 × 4,585,702,807.60
  4. Step 4: Simplify right side
    13,418,889,956.80x = 92,302,562,024,659,812,352
  5. Step 5: Solve for x
    x = 92,302,562,024,659,812,352/13,418,889,956.80
  6. Step 6: Final answer
    x = 6,878,554,211.40

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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.