Home / 1,220,833,010.60-1,831,361,490.30-402,947,109.80

Finding the Fourth Proportional to 1,220,833,010.60, 1,831,361,490.30 and 402,947,109.80

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Solution

The fourth proportional to 1,220,833,010.60, 1,831,361,490.30 and 402,947,109.80 is: 604,457,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,833,010.60 : 1,831,361,490.30 = 402,947,109.80 : x
  2. Step 2: Convert to fraction form
    1,220,833,010.60/1,831,361,490.30 = 402,947,109.80/x
  3. Step 3: Cross multiply
    1,220,833,010.60x = 1,831,361,490.30 × 402,947,109.80
  4. Step 4: Simplify right side
    1,220,833,010.60x = 737,941,819,515,405,696
  5. Step 5: Solve for x
    x = 737,941,819,515,405,696/1,220,833,010.60
  6. Step 6: Final answer
    x = 604,457,622.88

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1.5x scale

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.