Home / 809,187,368.72-1,116,678,120.04-456,766,403

Finding the Fourth Proportional to 809,187,368.72, 1,116,678,120.04 and 456,766,403

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Solution

The fourth proportional to 809,187,368.72, 1,116,678,120.04 and 456,766,403 is: 630,337,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,187,368.72 : 1,116,678,120.04 = 456,766,403 : x
  2. Step 2: Convert to fraction form
    809,187,368.72/1,116,678,120.04 = 456,766,403/x
  3. Step 3: Cross multiply
    809,187,368.72x = 1,116,678,120.04 × 456,766,403
  4. Step 4: Simplify right side
    809,187,368.72x = 510,061,048,199,473,024
  5. Step 5: Solve for x
    x = 510,061,048,199,473,024/809,187,368.72
  6. Step 6: Final answer
    x = 630,337,382.81

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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.