Home / 1,427,253,661.60-2,140,880,492.40-1,330,398,539.35

Finding the Fourth Proportional to 1,427,253,661.60, 2,140,880,492.40 and 1,330,398,539.35

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Solution

The fourth proportional to 1,427,253,661.60, 2,140,880,492.40 and 1,330,398,539.35 is: 1,995,597,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,253,661.60 : 2,140,880,492.40 = 1,330,398,539.35 : x
  2. Step 2: Convert to fraction form
    1,427,253,661.60/2,140,880,492.40 = 1,330,398,539.35/x
  3. Step 3: Cross multiply
    1,427,253,661.60x = 2,140,880,492.40 × 1,330,398,539.35
  4. Step 4: Simplify right side
    1,427,253,661.60x = 2,848,224,280,011,868,672
  5. Step 5: Solve for x
    x = 2,848,224,280,011,868,672/1,427,253,661.60
  6. Step 6: Final answer
    x = 1,995,597,809.03

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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.