Home / 780,876,700.41-1,077,611,892.85-423,644,458.53

Finding the Fourth Proportional to 780,876,700.41, 1,077,611,892.85 and 423,644,458.53

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Solution

The fourth proportional to 780,876,700.41, 1,077,611,892.85 and 423,644,458.53 is: 584,630,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,876,700.41 : 1,077,611,892.85 = 423,644,458.53 : x
  2. Step 2: Convert to fraction form
    780,876,700.41/1,077,611,892.85 = 423,644,458.53/x
  3. Step 3: Cross multiply
    780,876,700.41x = 1,077,611,892.85 × 423,644,458.53
  4. Step 4: Simplify right side
    780,876,700.41x = 456,524,306,849,808,384
  5. Step 5: Solve for x
    x = 456,524,306,849,808,384/780,876,700.41
  6. Step 6: Final answer
    x = 584,630,462.93

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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.