Home / 28,087,821,651.54-38,765,390,732.46-22,111,300,665.06

Finding the Fourth Proportional to 28,087,821,651.54, 38,765,390,732.46 and 22,111,300,665.06

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Solution

The fourth proportional to 28,087,821,651.54, 38,765,390,732.46 and 22,111,300,665.06 is: 30,516,898,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087,821,651.54 : 38,765,390,732.46 = 22,111,300,665.06 : x
  2. Step 2: Convert to fraction form
    28,087,821,651.54/38,765,390,732.46 = 22,111,300,665.06/x
  3. Step 3: Cross multiply
    28,087,821,651.54x = 38,765,390,732.46 × 22,111,300,665.06
  4. Step 4: Simplify right side
    28,087,821,651.54x = 857,153,209,883,953,594,368
  5. Step 5: Solve for x
    x = 857,153,209,883,953,594,368/28,087,821,651.54
  6. Step 6: Final answer
    x = 30,516,898,765.52

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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.