Home / 1,890,276,178.32-2,835,391,459.50-491,136,646.19

Finding the Fourth Proportional to 1,890,276,178.32, 2,835,391,459.50 and 491,136,646.19

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Solution

The fourth proportional to 1,890,276,178.32, 2,835,391,459.50 and 491,136,646.19 is: 736,699,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,276,178.32 : 2,835,391,459.50 = 491,136,646.19 : x
  2. Step 2: Convert to fraction form
    1,890,276,178.32/2,835,391,459.50 = 491,136,646.19/x
  3. Step 3: Cross multiply
    1,890,276,178.32x = 2,835,391,459.50 × 491,136,646.19
  4. Step 4: Simplify right side
    1,890,276,178.32x = 1,392,564,652,040,422,144
  5. Step 5: Solve for x
    x = 1,392,564,652,040,422,144/1,890,276,178.32
  6. Step 6: Final answer
    x = 736,699,043.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.