Home / 551,018,534.58-760,405,535.22-303,499,888.86

Finding the Fourth Proportional to 551,018,534.58, 760,405,535.22 and 303,499,888.86

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Solution

The fourth proportional to 551,018,534.58, 760,405,535.22 and 303,499,888.86 is: 418,829,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,018,534.58 : 760,405,535.22 = 303,499,888.86 : x
  2. Step 2: Convert to fraction form
    551,018,534.58/760,405,535.22 = 303,499,888.86/x
  3. Step 3: Cross multiply
    551,018,534.58x = 760,405,535.22 × 303,499,888.86
  4. Step 4: Simplify right side
    551,018,534.58x = 230,782,995,427,798,848
  5. Step 5: Solve for x
    x = 230,782,995,427,798,848/551,018,534.58
  6. Step 6: Final answer
    x = 418,829,823.22

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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.