Home / 471,092,416.90-706,311,392.40-208,633,947.68

Finding the Fourth Proportional to 471,092,416.90, 706,311,392.40 and 208,633,947.68

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Solution

The fourth proportional to 471,092,416.90, 706,311,392.40 and 208,633,947.68 is: 312,805,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,092,416.90 : 706,311,392.40 = 208,633,947.68 : x
  2. Step 2: Convert to fraction form
    471,092,416.90/706,311,392.40 = 208,633,947.68/x
  3. Step 3: Cross multiply
    471,092,416.90x = 706,311,392.40 × 208,633,947.68
  4. Step 4: Simplify right side
    471,092,416.90x = 147,360,534,089,535,328
  5. Step 5: Solve for x
    x = 147,360,534,089,535,328/471,092,416.90
  6. Step 6: Final answer
    x = 312,805,999.00

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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.