Home / 19,611,892,979.16-29,417,645,605.59-8,985,102,979.29

Finding the Fourth Proportional to 19,611,892,979.16, 29,417,645,605.59 and 8,985,102,979.29

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Solution

The fourth proportional to 19,611,892,979.16, 29,417,645,605.59 and 8,985,102,979.29 is: 13,477,565,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611,892,979.16 : 29,417,645,605.59 = 8,985,102,979.29 : x
  2. Step 2: Convert to fraction form
    19,611,892,979.16/29,417,645,605.59 = 8,985,102,979.29/x
  3. Step 3: Cross multiply
    19,611,892,979.16x = 29,417,645,605.59 × 8,985,102,979.29
  4. Step 4: Simplify right side
    19,611,892,979.16x = 264,320,575,174,484,099,072
  5. Step 5: Solve for x
    x = 264,320,575,174,484,099,072/19,611,892,979.16
  6. Step 6: Final answer
    x = 13,477,565,651.38

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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.