Home / 1,382,618,837.40-2,073,662,835.30-413,302,075.80

Finding the Fourth Proportional to 1,382,618,837.40, 2,073,662,835.30 and 413,302,075.80

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Solution

The fourth proportional to 1,382,618,837.40, 2,073,662,835.30 and 413,302,075.80 is: 619,873,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,618,837.40 : 2,073,662,835.30 = 413,302,075.80 : x
  2. Step 2: Convert to fraction form
    1,382,618,837.40/2,073,662,835.30 = 413,302,075.80/x
  3. Step 3: Cross multiply
    1,382,618,837.40x = 2,073,662,835.30 × 413,302,075.80
  4. Step 4: Simplify right side
    1,382,618,837.40x = 857,049,154,338,803,584
  5. Step 5: Solve for x
    x = 857,049,154,338,803,584/1,382,618,837.40
  6. Step 6: Final answer
    x = 619,873,772.26

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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.