Home / 1,543,525,488.18-2,315,283,651.36-438,131,280.57

Finding the Fourth Proportional to 1,543,525,488.18, 2,315,283,651.36 and 438,131,280.57

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Solution

The fourth proportional to 1,543,525,488.18, 2,315,283,651.36 and 438,131,280.57 is: 657,195,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,525,488.18 : 2,315,283,651.36 = 438,131,280.57 : x
  2. Step 2: Convert to fraction form
    1,543,525,488.18/2,315,283,651.36 = 438,131,280.57/x
  3. Step 3: Cross multiply
    1,543,525,488.18x = 2,315,283,651.36 × 438,131,280.57
  4. Step 4: Simplify right side
    1,543,525,488.18x = 1,014,398,191,053,142,272
  5. Step 5: Solve for x
    x = 1,014,398,191,053,142,272/1,543,525,488.18
  6. Step 6: Final answer
    x = 657,195,620.56

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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.