Home / 25,533,208,379.76-38,266,591,686.12-10,389,128,941.68

Finding the Fourth Proportional to 25,533,208,379.76, 38,266,591,686.12 and 10,389,128,941.68

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Solution

The fourth proportional to 25,533,208,379.76, 38,266,591,686.12 and 10,389,128,941.68 is: 15,570,176,268.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,533,208,379.76 : 38,266,591,686.12 = 10,389,128,941.68 : x
  2. Step 2: Convert to fraction form
    25,533,208,379.76/38,266,591,686.12 = 10,389,128,941.68/x
  3. Step 3: Cross multiply
    25,533,208,379.76x = 38,266,591,686.12 × 10,389,128,941.68
  4. Step 4: Simplify right side
    25,533,208,379.76x = 397,556,555,185,720,590,336
  5. Step 5: Solve for x
    x = 397,556,555,185,720,590,336/25,533,208,379.76
  6. Step 6: Final answer
    x = 15,570,176,268.99

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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.