Home / 31,432,271,833.12-43,376,711,314.46-17,883,908,663.72

Finding the Fourth Proportional to 31,432,271,833.12, 43,376,711,314.46 and 17,883,908,663.72

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Solution

The fourth proportional to 31,432,271,833.12, 43,376,711,314.46 and 17,883,908,663.72 is: 24,679,894,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432,271,833.12 : 43,376,711,314.46 = 17,883,908,663.72 : x
  2. Step 2: Convert to fraction form
    31,432,271,833.12/43,376,711,314.46 = 17,883,908,663.72/x
  3. Step 3: Cross multiply
    31,432,271,833.12x = 43,376,711,314.46 × 17,883,908,663.72
  4. Step 4: Simplify right side
    31,432,271,833.12x = 775,745,143,280,064,135,168
  5. Step 5: Solve for x
    x = 775,745,143,280,064,135,168/31,432,271,833.12
  6. Step 6: Final answer
    x = 24,679,894,199.14

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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.