Home / 1,069,457,012.76-1,603,053,315.60-359,729,940.88

Finding the Fourth Proportional to 1,069,457,012.76, 1,603,053,315.60 and 359,729,940.88

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Solution

The fourth proportional to 1,069,457,012.76, 1,603,053,315.60 and 359,729,940.88 is: 539,214,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,457,012.76 : 1,603,053,315.60 = 359,729,940.88 : x
  2. Step 2: Convert to fraction form
    1,069,457,012.76/1,603,053,315.60 = 359,729,940.88/x
  3. Step 3: Cross multiply
    1,069,457,012.76x = 1,603,053,315.60 × 359,729,940.88
  4. Step 4: Simplify right side
    1,069,457,012.76x = 576,666,274,438,462,080
  5. Step 5: Solve for x
    x = 576,666,274,438,462,080/1,069,457,012.76
  6. Step 6: Final answer
    x = 539,214,075.52

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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.