Home / 1,220,833,011.60-1,831,361,491.80-402,947,110.80

Finding the Fourth Proportional to 1,220,833,011.60, 1,831,361,491.80 and 402,947,110.80

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Solution

The fourth proportional to 1,220,833,011.60, 1,831,361,491.80 and 402,947,110.80 is: 604,457,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,833,011.60 : 1,831,361,491.80 = 402,947,110.80 : x
  2. Step 2: Convert to fraction form
    1,220,833,011.60/1,831,361,491.80 = 402,947,110.80/x
  3. Step 3: Cross multiply
    1,220,833,011.60x = 1,831,361,491.80 × 402,947,110.80
  4. Step 4: Simplify right side
    1,220,833,011.60x = 737,941,821,951,187,840
  5. Step 5: Solve for x
    x = 737,941,821,951,187,840/1,220,833,011.60
  6. Step 6: Final answer
    x = 604,457,624.38

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Double scale
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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.