Home / 1,997,531,492.80-2,996,819,786.40-770,739,966.40

Finding the Fourth Proportional to 1,997,531,492.80, 2,996,819,786.40 and 770,739,966.40

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Solution

The fourth proportional to 1,997,531,492.80, 2,996,819,786.40 and 770,739,966.40 is: 1,156,311,572.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,531,492.80 : 2,996,819,786.40 = 770,739,966.40 : x
  2. Step 2: Convert to fraction form
    1,997,531,492.80/2,996,819,786.40 = 770,739,966.40/x
  3. Step 3: Cross multiply
    1,997,531,492.80x = 2,996,819,786.40 × 770,739,966.40
  4. Step 4: Simplify right side
    1,997,531,492.80x = 2,309,768,781,476,791,296
  5. Step 5: Solve for x
    x = 2,309,768,781,476,791,296/1,997,531,492.80
  6. Step 6: Final answer
    x = 1,156,311,572.46

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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.