Home / 1,919,214,000.40-2,878,821,000.60-1,570,535,560.30

Finding the Fourth Proportional to 1,919,214,000.40, 2,878,821,000.60 and 1,570,535,560.30

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Solution

The fourth proportional to 1,919,214,000.40, 2,878,821,000.60 and 1,570,535,560.30 is: 2,355,803,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,214,000.40 : 2,878,821,000.60 = 1,570,535,560.30 : x
  2. Step 2: Convert to fraction form
    1,919,214,000.40/2,878,821,000.60 = 1,570,535,560.30/x
  3. Step 3: Cross multiply
    1,919,214,000.40x = 2,878,821,000.60 × 1,570,535,560.30
  4. Step 4: Simplify right side
    1,919,214,000.40x = 4,521,290,753,180,727,296
  5. Step 5: Solve for x
    x = 4,521,290,753,180,727,296/1,919,214,000.40
  6. Step 6: Final answer
    x = 2,355,803,340.45

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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.