Home / 11,447,730,325.77-15,787,209,480.21-7,429,103,686.77

Finding the Fourth Proportional to 11,447,730,325.77, 15,787,209,480.21 and 7,429,103,686.77

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Solution

The fourth proportional to 11,447,730,325.77, 15,787,209,480.21 and 7,429,103,686.77 is: 10,245,246,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447,730,325.77 : 15,787,209,480.21 = 7,429,103,686.77 : x
  2. Step 2: Convert to fraction form
    11,447,730,325.77/15,787,209,480.21 = 7,429,103,686.77/x
  3. Step 3: Cross multiply
    11,447,730,325.77x = 15,787,209,480.21 × 7,429,103,686.77
  4. Step 4: Simplify right side
    11,447,730,325.77x = 117,284,816,153,238,405,120
  5. Step 5: Solve for x
    x = 117,284,816,153,238,405,120/11,447,730,325.77
  6. Step 6: Final answer
    x = 10,245,246,246.69

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Double scale
Find fourth proportional to 11,447,730,326.77, 15,787,209,481.59 and 7,429,103,687.77
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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.