Home / 31,014,254,223.63-42,799,089,518.51-18,970,380,306.27

Finding the Fourth Proportional to 31,014,254,223.63, 42,799,089,518.51 and 18,970,380,306.27

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Solution

The fourth proportional to 31,014,254,223.63, 42,799,089,518.51 and 18,970,380,306.27 is: 26,178,769,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,014,254,223.63 : 42,799,089,518.51 = 18,970,380,306.27 : x
  2. Step 2: Convert to fraction form
    31,014,254,223.63/42,799,089,518.51 = 18,970,380,306.27/x
  3. Step 3: Cross multiply
    31,014,254,223.63x = 42,799,089,518.51 × 18,970,380,306.27
  4. Step 4: Simplify right side
    31,014,254,223.63x = 811,915,004,928,133,955,584
  5. Step 5: Solve for x
    x = 811,915,004,928,133,955,584/31,014,254,223.63
  6. Step 6: Final answer
    x = 26,178,769,254.74

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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.