Home / 210,421,148,326.08-290,412,625,586.24-165,647,796,774.72

Finding the Fourth Proportional to 210,421,148,326.08, 290,412,625,586.24 and 165,647,796,774.72

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Solution

The fourth proportional to 210,421,148,326.08, 290,412,625,586.24 and 165,647,796,774.72 is: 228,618,710,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,421,148,326.08 : 290,412,625,586.24 = 165,647,796,774.72 : x
  2. Step 2: Convert to fraction form
    210,421,148,326.08/290,412,625,586.24 = 165,647,796,774.72/x
  3. Step 3: Cross multiply
    210,421,148,326.08x = 290,412,625,586.24 × 165,647,796,774.72
  4. Step 4: Simplify right side
    210,421,148,326.08x = 48,106,211,583,922,328,829,952
  5. Step 5: Solve for x
    x = 48,106,211,583,922,328,829,952/210,421,148,326.08
  6. Step 6: Final answer
    x = 228,618,710,460.48

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1.5x scale

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.