Home / 330,782,427.84-456,506,437.92-189,666,779.04

Finding the Fourth Proportional to 330,782,427.84, 456,506,437.92 and 189,666,779.04

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Solution

The fourth proportional to 330,782,427.84, 456,506,437.92 and 189,666,779.04 is: 261,755,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,782,427.84 : 456,506,437.92 = 189,666,779.04 : x
  2. Step 2: Convert to fraction form
    330,782,427.84/456,506,437.92 = 189,666,779.04/x
  3. Step 3: Cross multiply
    330,782,427.84x = 456,506,437.92 × 189,666,779.04
  4. Step 4: Simplify right side
    330,782,427.84x = 86,584,105,691,310,112
  5. Step 5: Solve for x
    x = 86,584,105,691,310,112/330,782,427.84
  6. Step 6: Final answer
    x = 261,755,457.38

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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.