Home / 13,886,430,307.58-19,164,863,558.47-7,784,430,955.29

Finding the Fourth Proportional to 13,886,430,307.58, 19,164,863,558.47 and 7,784,430,955.29

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Solution

The fourth proportional to 13,886,430,307.58, 19,164,863,558.47 and 7,784,430,955.29 is: 10,743,405,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,430,307.58 : 19,164,863,558.47 = 7,784,430,955.29 : x
  2. Step 2: Convert to fraction form
    13,886,430,307.58/19,164,863,558.47 = 7,784,430,955.29/x
  3. Step 3: Cross multiply
    13,886,430,307.58x = 19,164,863,558.47 × 7,784,430,955.29
  4. Step 4: Simplify right side
    13,886,430,307.58x = 149,187,557,138,463,129,600
  5. Step 5: Solve for x
    x = 149,187,557,138,463,129,600/13,886,430,307.58
  6. Step 6: Final answer
    x = 10,743,405,888.63

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Double scale
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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.