Home / 1,916,928,143.70-2,875,392,215.55-768,894,710.10

Finding the Fourth Proportional to 1,916,928,143.70, 2,875,392,215.55 and 768,894,710.10

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Solution

The fourth proportional to 1,916,928,143.70, 2,875,392,215.55 and 768,894,710.10 is: 1,153,342,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,928,143.70 : 2,875,392,215.55 = 768,894,710.10 : x
  2. Step 2: Convert to fraction form
    1,916,928,143.70/2,875,392,215.55 = 768,894,710.10/x
  3. Step 3: Cross multiply
    1,916,928,143.70x = 2,875,392,215.55 × 768,894,710.10
  4. Step 4: Simplify right side
    1,916,928,143.70x = 2,210,873,863,999,114,240
  5. Step 5: Solve for x
    x = 2,210,873,863,999,114,240/1,916,928,143.70
  6. Step 6: Final answer
    x = 1,153,342,065.15

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Double scale
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Similar ratio
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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.