Home / 19,020,145,969.29-28,525,504,352.58-6,428,724,486.86

Finding the Fourth Proportional to 19,020,145,969.29, 28,525,504,352.58 and 6,428,724,486.86

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Solution

The fourth proportional to 19,020,145,969.29, 28,525,504,352.58 and 6,428,724,486.86 is: 9,641,493,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020,145,969.29 : 28,525,504,352.58 = 6,428,724,486.86 : x
  2. Step 2: Convert to fraction form
    19,020,145,969.29/28,525,504,352.58 = 6,428,724,486.86/x
  3. Step 3: Cross multiply
    19,020,145,969.29x = 28,525,504,352.58 × 6,428,724,486.86
  4. Step 4: Simplify right side
    19,020,145,969.29x = 183,382,608,331,462,574,080
  5. Step 5: Solve for x
    x = 183,382,608,331,462,574,080/19,020,145,969.29
  6. Step 6: Final answer
    x = 9,641,493,216.06

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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.