Home / 488,849,150.37-674,629,567.62-280,045,649.34

Finding the Fourth Proportional to 488,849,150.37, 674,629,567.62 and 280,045,649.34

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Solution

The fourth proportional to 488,849,150.37, 674,629,567.62 and 280,045,649.34 is: 386,473,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,849,150.37 : 674,629,567.62 = 280,045,649.34 : x
  2. Step 2: Convert to fraction form
    488,849,150.37/674,629,567.62 = 280,045,649.34/x
  3. Step 3: Cross multiply
    488,849,150.37x = 674,629,567.62 × 280,045,649.34
  4. Step 4: Simplify right side
    488,849,150.37x = 188,927,075,328,106,336
  5. Step 5: Solve for x
    x = 188,927,075,328,106,336/488,849,150.37
  6. Step 6: Final answer
    x = 386,473,158.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.