Home / 1,579,857,636.65-2,180,176,819.40-874,994,484.42

Finding the Fourth Proportional to 1,579,857,636.65, 2,180,176,819.40 and 874,994,484.42

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Solution

The fourth proportional to 1,579,857,636.65, 2,180,176,819.40 and 874,994,484.42 is: 1,207,477,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,857,636.65 : 2,180,176,819.40 = 874,994,484.42 : x
  2. Step 2: Convert to fraction form
    1,579,857,636.65/2,180,176,819.40 = 874,994,484.42/x
  3. Step 3: Cross multiply
    1,579,857,636.65x = 2,180,176,819.40 × 874,994,484.42
  4. Step 4: Simplify right side
    1,579,857,636.65x = 1,907,642,692,037,526,016
  5. Step 5: Solve for x
    x = 1,907,642,692,037,526,016/1,579,857,636.65
  6. Step 6: Final answer
    x = 1,207,477,590.25

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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.