Home / 35,204,421,715.31-48,594,738,793.94-20,931,215,287.88

Finding the Fourth Proportional to 35,204,421,715.31, 48,594,738,793.94 and 20,931,215,287.88

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Solution

The fourth proportional to 35,204,421,715.31, 48,594,738,793.94 and 20,931,215,287.88 is: 28,892,590,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,204,421,715.31 : 48,594,738,793.94 = 20,931,215,287.88 : x
  2. Step 2: Convert to fraction form
    35,204,421,715.31/48,594,738,793.94 = 20,931,215,287.88/x
  3. Step 3: Cross multiply
    35,204,421,715.31x = 48,594,738,793.94 × 20,931,215,287.88
  4. Step 4: Simplify right side
    35,204,421,715.31x = 1,017,146,939,554,307,637,248
  5. Step 5: Solve for x
    x = 1,017,146,939,554,307,637,248/35,204,421,715.31
  6. Step 6: Final answer
    x = 28,892,590,475.70

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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.