Home / 551,018,532.08-760,405,531.77-303,499,886.36

Finding the Fourth Proportional to 551,018,532.08, 760,405,531.77 and 303,499,886.36

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Solution

The fourth proportional to 551,018,532.08, 760,405,531.77 and 303,499,886.36 is: 418,829,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,018,532.08 : 760,405,531.77 = 303,499,886.36 : x
  2. Step 2: Convert to fraction form
    551,018,532.08/760,405,531.77 = 303,499,886.36/x
  3. Step 3: Cross multiply
    551,018,532.08x = 760,405,531.77 × 303,499,886.36
  4. Step 4: Simplify right side
    551,018,532.08x = 230,782,992,479,710,368
  5. Step 5: Solve for x
    x = 230,782,992,479,710,368/551,018,532.08
  6. Step 6: Final answer
    x = 418,829,819.77

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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.