Home / 1,187,176,500.35-1,780,764,750.53-877,240,109.15

Finding the Fourth Proportional to 1,187,176,500.35, 1,780,764,750.53 and 877,240,109.15

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Solution

The fourth proportional to 1,187,176,500.35, 1,780,764,750.53 and 877,240,109.15 is: 1,315,860,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,176,500.35 : 1,780,764,750.53 = 877,240,109.15 : x
  2. Step 2: Convert to fraction form
    1,187,176,500.35/1,780,764,750.53 = 877,240,109.15/x
  3. Step 3: Cross multiply
    1,187,176,500.35x = 1,780,764,750.53 × 877,240,109.15
  4. Step 4: Simplify right side
    1,187,176,500.35x = 1,562,158,264,121,023,488
  5. Step 5: Solve for x
    x = 1,562,158,264,121,023,488/1,187,176,500.35
  6. Step 6: Final answer
    x = 1,315,860,163.73

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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.