Home / 672,052,215.40-1,008,078,323.10-536,003,319.40

Finding the Fourth Proportional to 672,052,215.40, 1,008,078,323.10 and 536,003,319.40

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Solution

The fourth proportional to 672,052,215.40, 1,008,078,323.10 and 536,003,319.40 is: 804,004,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,052,215.40 : 1,008,078,323.10 = 536,003,319.40 : x
  2. Step 2: Convert to fraction form
    672,052,215.40/1,008,078,323.10 = 536,003,319.40/x
  3. Step 3: Cross multiply
    672,052,215.40x = 1,008,078,323.10 × 536,003,319.40
  4. Step 4: Simplify right side
    672,052,215.40x = 540,333,327,396,785,664
  5. Step 5: Solve for x
    x = 540,333,327,396,785,664/672,052,215.40
  6. Step 6: Final answer
    x = 804,004,979.10

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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.