Home / 1,817,209,276.40-2,725,813,914.60-1,381,852,809.20

Finding the Fourth Proportional to 1,817,209,276.40, 2,725,813,914.60 and 1,381,852,809.20

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Solution

The fourth proportional to 1,817,209,276.40, 2,725,813,914.60 and 1,381,852,809.20 is: 2,072,779,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,209,276.40 : 2,725,813,914.60 = 1,381,852,809.20 : x
  2. Step 2: Convert to fraction form
    1,817,209,276.40/2,725,813,914.60 = 1,381,852,809.20/x
  3. Step 3: Cross multiply
    1,817,209,276.40x = 2,725,813,914.60 × 1,381,852,809.20
  4. Step 4: Simplify right side
    1,817,209,276.40x = 3,766,673,615,246,458,880
  5. Step 5: Solve for x
    x = 3,766,673,615,246,458,880/1,817,209,276.40
  6. Step 6: Final answer
    x = 2,072,779,213.80

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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.