Home / 9,429,449,706.72-13,012,653,500.28-5,142,673,390.32

Finding the Fourth Proportional to 9,429,449,706.72, 13,012,653,500.28 and 5,142,673,390.32

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Solution

The fourth proportional to 9,429,449,706.72, 13,012,653,500.28 and 5,142,673,390.32 is: 7,096,896,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429,449,706.72 : 13,012,653,500.28 = 5,142,673,390.32 : x
  2. Step 2: Convert to fraction form
    9,429,449,706.72/13,012,653,500.28 = 5,142,673,390.32/x
  3. Step 3: Cross multiply
    9,429,449,706.72x = 13,012,653,500.28 × 5,142,673,390.32
  4. Step 4: Simplify right side
    9,429,449,706.72x = 66,919,826,893,344,358,400
  5. Step 5: Solve for x
    x = 66,919,826,893,344,358,400/9,429,449,706.72
  6. Step 6: Final answer
    x = 7,096,896,316.83

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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.