Home / 1,806,336,138.40-2,709,504,207.60-657,329,495.20

Finding the Fourth Proportional to 1,806,336,138.40, 2,709,504,207.60 and 657,329,495.20

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Solution

The fourth proportional to 1,806,336,138.40, 2,709,504,207.60 and 657,329,495.20 is: 985,994,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,336,138.40 : 2,709,504,207.60 = 657,329,495.20 : x
  2. Step 2: Convert to fraction form
    1,806,336,138.40/2,709,504,207.60 = 657,329,495.20/x
  3. Step 3: Cross multiply
    1,806,336,138.40x = 2,709,504,207.60 × 657,329,495.20
  4. Step 4: Simplify right side
    1,806,336,138.40x = 1,781,037,033,023,984,128
  5. Step 5: Solve for x
    x = 1,781,037,033,023,984,128/1,806,336,138.40
  6. Step 6: Final answer
    x = 985,994,242.80

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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.