Home / 1,069,457,013.76-1,603,053,317.09-359,729,941.88

Finding the Fourth Proportional to 1,069,457,013.76, 1,603,053,317.09 and 359,729,941.88

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Solution

The fourth proportional to 1,069,457,013.76, 1,603,053,317.09 and 359,729,941.88 is: 539,214,077.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,457,013.76 : 1,603,053,317.09 = 359,729,941.88 : x
  2. Step 2: Convert to fraction form
    1,069,457,013.76/1,603,053,317.09 = 359,729,941.88/x
  3. Step 3: Cross multiply
    1,069,457,013.76x = 1,603,053,317.09 × 359,729,941.88
  4. Step 4: Simplify right side
    1,069,457,013.76x = 576,666,276,587,326,848
  5. Step 5: Solve for x
    x = 576,666,276,587,326,848/1,069,457,013.76
  6. Step 6: Final answer
    x = 539,214,077.02

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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.