Home / 1,069,457,010.96-1,603,053,312.85-359,729,939.05

Finding the Fourth Proportional to 1,069,457,010.96, 1,603,053,312.85 and 359,729,939.05

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Solution

The fourth proportional to 1,069,457,010.96, 1,603,053,312.85 and 359,729,939.05 is: 539,214,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,457,010.96 : 1,603,053,312.85 = 359,729,939.05 : x
  2. Step 2: Convert to fraction form
    1,069,457,010.96/1,603,053,312.85 = 359,729,939.05/x
  3. Step 3: Cross multiply
    1,069,457,010.96x = 1,603,053,312.85 × 359,729,939.05
  4. Step 4: Simplify right side
    1,069,457,010.96x = 576,666,270,525,431,040
  5. Step 5: Solve for x
    x = 576,666,270,525,431,040/1,069,457,010.96
  6. Step 6: Final answer
    x = 539,214,072.76

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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.