Home / 13,519,249,445.54-18,654,097,392.92-7,801,447,936.60

Finding the Fourth Proportional to 13,519,249,445.54, 18,654,097,392.92 and 7,801,447,936.60

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Solution

The fourth proportional to 13,519,249,445.54, 18,654,097,392.92 and 7,801,447,936.60 is: 10,764,574,631.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519,249,445.54 : 18,654,097,392.92 = 7,801,447,936.60 : x
  2. Step 2: Convert to fraction form
    13,519,249,445.54/18,654,097,392.92 = 7,801,447,936.60/x
  3. Step 3: Cross multiply
    13,519,249,445.54x = 18,654,097,392.92 × 7,801,447,936.60
  4. Step 4: Simplify right side
    13,519,249,445.54x = 145,528,969,615,131,164,672
  5. Step 5: Solve for x
    x = 145,528,969,615,131,164,672/13,519,249,445.54
  6. Step 6: Final answer
    x = 10,764,574,631.26

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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.