Home / 730,883,296.32-1,008,626,712.54-396,356,471.52

Finding the Fourth Proportional to 730,883,296.32, 1,008,626,712.54 and 396,356,471.52

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Solution

The fourth proportional to 730,883,296.32, 1,008,626,712.54 and 396,356,471.52 is: 546,976,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,883,296.32 : 1,008,626,712.54 = 396,356,471.52 : x
  2. Step 2: Convert to fraction form
    730,883,296.32/1,008,626,712.54 = 396,356,471.52/x
  3. Step 3: Cross multiply
    730,883,296.32x = 1,008,626,712.54 × 396,356,471.52
  4. Step 4: Simplify right side
    730,883,296.32x = 399,775,724,863,171,712
  5. Step 5: Solve for x
    x = 399,775,724,863,171,712/730,883,296.32
  6. Step 6: Final answer
    x = 546,976,140.89

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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.