Home / 1,860,391,880,127.90-2,567,818,473,493.20-1,211,686,977,958.40

Finding the Fourth Proportional to 1,860,391,880,127.90, 2,567,818,473,493.20 and 1,211,686,977,958.40

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Solution

The fourth proportional to 1,860,391,880,127.90, 2,567,818,473,493.20 and 1,211,686,977,958.40 is: 1,672,439,145,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,391,880,127.90 : 2,567,818,473,493.20 = 1,211,686,977,958.40 : x
  2. Step 2: Convert to fraction form
    1,860,391,880,127.90/2,567,818,473,493.20 = 1,211,686,977,958.40/x
  3. Step 3: Cross multiply
    1,860,391,880,127.90x = 2,567,818,473,493.20 × 1,211,686,977,958.40
  4. Step 4: Simplify right side
    1,860,391,880,127.90x = 3,111,392,206,092,727,484,416,000
  5. Step 5: Solve for x
    x = 3,111,392,206,092,727,484,416,000/1,860,391,880,127.90
  6. Step 6: Final answer
    x = 1,672,439,145,390.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.