Home / 1,236,842,585.70-1,855,263,878.55-746,109,966.30

Finding the Fourth Proportional to 1,236,842,585.70, 1,855,263,878.55 and 746,109,966.30

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Solution

The fourth proportional to 1,236,842,585.70, 1,855,263,878.55 and 746,109,966.30 is: 1,119,164,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,842,585.70 : 1,855,263,878.55 = 746,109,966.30 : x
  2. Step 2: Convert to fraction form
    1,236,842,585.70/1,855,263,878.55 = 746,109,966.30/x
  3. Step 3: Cross multiply
    1,236,842,585.70x = 1,855,263,878.55 × 746,109,966.30
  4. Step 4: Simplify right side
    1,236,842,585.70x = 1,384,230,869,902,547,712
  5. Step 5: Solve for x
    x = 1,384,230,869,902,547,712/1,236,842,585.70
  6. Step 6: Final answer
    x = 1,119,164,949.45

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Double scale
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Similar ratio
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1.5x scale

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.