Home / 7,146,166,558.10-9,861,655,426.94-3,931,007,492.40

Finding the Fourth Proportional to 7,146,166,558.10, 9,861,655,426.94 and 3,931,007,492.40

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Solution

The fourth proportional to 7,146,166,558.10, 9,861,655,426.94 and 3,931,007,492.40 is: 5,424,760,402.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,166,558.10 : 9,861,655,426.94 = 3,931,007,492.40 : x
  2. Step 2: Convert to fraction form
    7,146,166,558.10/9,861,655,426.94 = 3,931,007,492.40/x
  3. Step 3: Cross multiply
    7,146,166,558.10x = 9,861,655,426.94 × 3,931,007,492.40
  4. Step 4: Simplify right side
    7,146,166,558.10x = 38,766,241,370,748,608,512
  5. Step 5: Solve for x
    x = 38,766,241,370,748,608,512/7,146,166,558.10
  6. Step 6: Final answer
    x = 5,424,760,402.04

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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.