Home / 70,136,135,312.60-105,193,573,211.21-19,088,409,925.89

Finding the Fourth Proportional to 70,136,135,312.60, 105,193,573,211.21 and 19,088,409,925.89

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Solution

The fourth proportional to 70,136,135,312.60, 105,193,573,211.21 and 19,088,409,925.89 is: 28,629,721,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,136,135,312.60 : 105,193,573,211.21 = 19,088,409,925.89 : x
  2. Step 2: Convert to fraction form
    70,136,135,312.60/105,193,573,211.21 = 19,088,409,925.89/x
  3. Step 3: Cross multiply
    70,136,135,312.60x = 105,193,573,211.21 × 19,088,409,925.89
  4. Step 4: Simplify right side
    70,136,135,312.60x = 2,007,978,047,024,697,442,304
  5. Step 5: Solve for x
    x = 2,007,978,047,024,697,442,304/70,136,135,312.60
  6. Step 6: Final answer
    x = 28,629,721,869.83

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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.