Home / 671,274,809.06-926,368,833.76-385,212,952.36

Finding the Fourth Proportional to 671,274,809.06, 926,368,833.76 and 385,212,952.36

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Solution

The fourth proportional to 671,274,809.06, 926,368,833.76 and 385,212,952.36 is: 531,599,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,274,809.06 : 926,368,833.76 = 385,212,952.36 : x
  2. Step 2: Convert to fraction form
    671,274,809.06/926,368,833.76 = 385,212,952.36/x
  3. Step 3: Cross multiply
    671,274,809.06x = 926,368,833.76 × 385,212,952.36
  4. Step 4: Simplify right side
    671,274,809.06x = 356,849,273,426,979,648
  5. Step 5: Solve for x
    x = 356,849,273,426,979,648/671,274,809.06
  6. Step 6: Final answer
    x = 531,599,381.67

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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.