Home / 46,349,377,825.31-69,430,978,923.42-21,132,406,882.01

Finding the Fourth Proportional to 46,349,377,825.31, 69,430,978,923.42 and 21,132,406,882.01

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Solution

The fourth proportional to 46,349,377,825.31, 69,430,978,923.42 and 21,132,406,882.01 is: 31,656,168,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,349,377,825.31 : 69,430,978,923.42 = 21,132,406,882.01 : x
  2. Step 2: Convert to fraction form
    46,349,377,825.31/69,430,978,923.42 = 21,132,406,882.01/x
  3. Step 3: Cross multiply
    46,349,377,825.31x = 69,430,978,923.42 × 21,132,406,882.01
  4. Step 4: Simplify right side
    46,349,377,825.31x = 1,467,243,696,825,866,125,312
  5. Step 5: Solve for x
    x = 1,467,243,696,825,866,125,312/46,349,377,825.31
  6. Step 6: Final answer
    x = 31,656,168,122.81

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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.