Home / 1,214,305,866.72-1,675,742,358.24-657,393,490.08

Finding the Fourth Proportional to 1,214,305,866.72, 1,675,742,358.24 and 657,393,490.08

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Solution

The fourth proportional to 1,214,305,866.72, 1,675,742,358.24 and 657,393,490.08 is: 907,203,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,305,866.72 : 1,675,742,358.24 = 657,393,490.08 : x
  2. Step 2: Convert to fraction form
    1,214,305,866.72/1,675,742,358.24 = 657,393,490.08/x
  3. Step 3: Cross multiply
    1,214,305,866.72x = 1,675,742,358.24 × 657,393,490.08
  4. Step 4: Simplify right side
    1,214,305,866.72x = 1,101,622,117,358,283,264
  5. Step 5: Solve for x
    x = 1,101,622,117,358,283,264/1,214,305,866.72
  6. Step 6: Final answer
    x = 907,203,158.24

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Double scale
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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.