Home / 1,069,457,015.97-1,603,053,320.34-359,729,944.05

Finding the Fourth Proportional to 1,069,457,015.97, 1,603,053,320.34 and 359,729,944.05

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Solution

The fourth proportional to 1,069,457,015.97, 1,603,053,320.34 and 359,729,944.05 is: 539,214,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,457,015.97 : 1,603,053,320.34 = 359,729,944.05 : x
  2. Step 2: Convert to fraction form
    1,069,457,015.97/1,603,053,320.34 = 359,729,944.05/x
  3. Step 3: Cross multiply
    1,069,457,015.97x = 1,603,053,320.34 × 359,729,944.05
  4. Step 4: Simplify right side
    1,069,457,015.97x = 576,666,281,235,074,944
  5. Step 5: Solve for x
    x = 576,666,281,235,074,944/1,069,457,015.97
  6. Step 6: Final answer
    x = 539,214,080.25

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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.