Home / 1,392,598,025,856.40-2,089,851,217,594.30-486,035,833,786.12

Finding the Fourth Proportional to 1,392,598,025,856.40, 2,089,851,217,594.30 and 486,035,833,786.12

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Solution

The fourth proportional to 1,392,598,025,856.40, 2,089,851,217,594.30 and 486,035,833,786.12 is: 729,386,772,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,598,025,856.40 : 2,089,851,217,594.30 = 486,035,833,786.12 : x
  2. Step 2: Convert to fraction form
    1,392,598,025,856.40/2,089,851,217,594.30 = 486,035,833,786.12/x
  3. Step 3: Cross multiply
    1,392,598,025,856.40x = 2,089,851,217,594.30 × 486,035,833,786.12
  4. Step 4: Simplify right side
    1,392,598,025,856.40x = 1,015,742,579,032,383,698,239,488
  5. Step 5: Solve for x
    x = 1,015,742,579,032,383,698,239,488/1,392,598,025,856.40
  6. Step 6: Final answer
    x = 729,386,772,186.28

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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.