Home / 725,333,037.56-1,087,893,268.12-356,769,059.40

Finding the Fourth Proportional to 725,333,037.56, 1,087,893,268.12 and 356,769,059.40

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Solution

The fourth proportional to 725,333,037.56, 1,087,893,268.12 and 356,769,059.40 is: 535,101,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,333,037.56 : 1,087,893,268.12 = 356,769,059.40 : x
  2. Step 2: Convert to fraction form
    725,333,037.56/1,087,893,268.12 = 356,769,059.40/x
  3. Step 3: Cross multiply
    725,333,037.56x = 1,087,893,268.12 × 356,769,059.40
  4. Step 4: Simplify right side
    725,333,037.56x = 388,126,657,994,764,352
  5. Step 5: Solve for x
    x = 388,126,657,994,764,352/725,333,037.56
  6. Step 6: Final answer
    x = 535,101,309.19

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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.