Home / 957,243,455.69-1,321,097,528.04-561,099,279.65

Finding the Fourth Proportional to 957,243,455.69, 1,321,097,528.04 and 561,099,279.65

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Solution

The fourth proportional to 957,243,455.69, 1,321,097,528.04 and 561,099,279.65 is: 774,376,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,243,455.69 : 1,321,097,528.04 = 561,099,279.65 : x
  2. Step 2: Convert to fraction form
    957,243,455.69/1,321,097,528.04 = 561,099,279.65/x
  3. Step 3: Cross multiply
    957,243,455.69x = 1,321,097,528.04 × 561,099,279.65
  4. Step 4: Simplify right side
    957,243,455.69x = 741,266,871,330,639,616
  5. Step 5: Solve for x
    x = 741,266,871,330,639,616/957,243,455.69
  6. Step 6: Final answer
    x = 774,376,536.00

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Half scale
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Double scale
Find fourth proportional to 957,243,456.69, 1,321,097,529.42 and 561,099,280.65
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1.5x scale

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.