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Finding the Fourth Proportional to 1,796,645,978.37, 2,695,226,045.67 and 553,181,653.35

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Solution

The fourth proportional to 1,796,645,978.37, 2,695,226,045.67 and 553,181,653.35 is: 829,851,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,645,978.37 : 2,695,226,045.67 = 553,181,653.35 : x
  2. Step 2: Convert to fraction form
    1,796,645,978.37/2,695,226,045.67 = 553,181,653.35/x
  3. Step 3: Cross multiply
    1,796,645,978.37x = 2,695,226,045.67 × 553,181,653.35
  4. Step 4: Simplify right side
    1,796,645,978.37x = 1,490,949,600,095,713,280
  5. Step 5: Solve for x
    x = 1,490,949,600,095,713,280/1,796,645,978.37
  6. Step 6: Final answer
    x = 829,851,633.57

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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.