Home / 9,429,449,708-13,012,653,502.05-5,142,673,391.60

Finding the Fourth Proportional to 9,429,449,708, 13,012,653,502.05 and 5,142,673,391.60

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Solution

The fourth proportional to 9,429,449,708, 13,012,653,502.05 and 5,142,673,391.60 is: 7,096,896,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429,449,708 : 13,012,653,502.05 = 5,142,673,391.60 : x
  2. Step 2: Convert to fraction form
    9,429,449,708/13,012,653,502.05 = 5,142,673,391.60/x
  3. Step 3: Cross multiply
    9,429,449,708x = 13,012,653,502.05 × 5,142,673,391.60
  4. Step 4: Simplify right side
    9,429,449,708x = 66,919,826,919,103,094,784
  5. Step 5: Solve for x
    x = 66,919,826,919,103,094,784/9,429,449,708
  6. Step 6: Final answer
    x = 7,096,896,318.60

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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.