Home / 28,293,454,235.04-39,045,088,231.92-15,433,374,446.88

Finding the Fourth Proportional to 28,293,454,235.04, 39,045,088,231.92 and 15,433,374,446.88

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Solution

The fourth proportional to 28,293,454,235.04, 39,045,088,231.92 and 15,433,374,446.88 is: 21,298,122,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,454,235.04 : 39,045,088,231.92 = 15,433,374,446.88 : x
  2. Step 2: Convert to fraction form
    28,293,454,235.04/39,045,088,231.92 = 15,433,374,446.88/x
  3. Step 3: Cross multiply
    28,293,454,235.04x = 39,045,088,231.92 × 15,433,374,446.88
  4. Step 4: Simplify right side
    28,293,454,235.04x = 602,597,466,994,689,048,576
  5. Step 5: Solve for x
    x = 602,597,466,994,689,048,576/28,293,454,235.04
  6. Step 6: Final answer
    x = 21,298,122,950.59

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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.