Home / 1,247,379,984,266.80-1,867,847,566,439.90-860,898,672,047.40

Finding the Fourth Proportional to 1,247,379,984,266.80, 1,867,847,566,439.90 and 860,898,672,047.40

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Solution

The fourth proportional to 1,247,379,984,266.80, 1,867,847,566,439.90 and 860,898,672,047.40 is: 1,289,124,011,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,379,984,266.80 : 1,867,847,566,439.90 = 860,898,672,047.40 : x
  2. Step 2: Convert to fraction form
    1,247,379,984,266.80/1,867,847,566,439.90 = 860,898,672,047.40/x
  3. Step 3: Cross multiply
    1,247,379,984,266.80x = 1,867,847,566,439.90 × 860,898,672,047.40
  4. Step 4: Simplify right side
    1,247,379,984,266.80x = 1,608,027,489,535,077,700,861,952
  5. Step 5: Solve for x
    x = 1,608,027,489,535,077,700,861,952/1,247,379,984,266.80
  6. Step 6: Final answer
    x = 1,289,124,011,782.39

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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.