Home / 74,819,036,524.69-103,249,447,858.79-40,523,889,942.91

Finding the Fourth Proportional to 74,819,036,524.69, 103,249,447,858.79 and 40,523,889,942.91

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Solution

The fourth proportional to 74,819,036,524.69, 103,249,447,858.79 and 40,523,889,942.91 is: 55,922,522,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,819,036,524.69 : 103,249,447,858.79 = 40,523,889,942.91 : x
  2. Step 2: Convert to fraction form
    74,819,036,524.69/103,249,447,858.79 = 40,523,889,942.91/x
  3. Step 3: Cross multiply
    74,819,036,524.69x = 103,249,447,858.79 × 40,523,889,942.91
  4. Step 4: Simplify right side
    74,819,036,524.69x = 4,184,069,261,695,830,720,512
  5. Step 5: Solve for x
    x = 4,184,069,261,695,830,720,512/74,819,036,524.69
  6. Step 6: Final answer
    x = 55,922,522,609.81

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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.