Home / 19,137,886,706.48-28,706,709,599.76-10,298,889,135.68

Finding the Fourth Proportional to 19,137,886,706.48, 28,706,709,599.76 and 10,298,889,135.68

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Solution

The fourth proportional to 19,137,886,706.48, 28,706,709,599.76 and 10,298,889,135.68 is: 15,448,268,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137,886,706.48 : 28,706,709,599.76 = 10,298,889,135.68 : x
  2. Step 2: Convert to fraction form
    19,137,886,706.48/28,706,709,599.76 = 10,298,889,135.68/x
  3. Step 3: Cross multiply
    19,137,886,706.48x = 28,706,709,599.76 × 10,298,889,135.68
  4. Step 4: Simplify right side
    19,137,886,706.48x = 295,647,219,618,089,009,152
  5. Step 5: Solve for x
    x = 295,647,219,618,089,009,152/19,137,886,706.48
  6. Step 6: Final answer
    x = 15,448,268,879.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.