Home / 1,493,975,105.80-2,240,962,658.70-977,997,070.60

Finding the Fourth Proportional to 1,493,975,105.80, 2,240,962,658.70 and 977,997,070.60

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Solution

The fourth proportional to 1,493,975,105.80, 2,240,962,658.70 and 977,997,070.60 is: 1,466,995,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,975,105.80 : 2,240,962,658.70 = 977,997,070.60 : x
  2. Step 2: Convert to fraction form
    1,493,975,105.80/2,240,962,658.70 = 977,997,070.60/x
  3. Step 3: Cross multiply
    1,493,975,105.80x = 2,240,962,658.70 × 977,997,070.60
  4. Step 4: Simplify right side
    1,493,975,105.80x = 2,191,654,915,532,587,520
  5. Step 5: Solve for x
    x = 2,191,654,915,532,587,520/1,493,975,105.80
  6. Step 6: Final answer
    x = 1,466,995,605.90

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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.