Home / 581,452,643.09-872,075,407.46-231,669,396.20

Finding the Fourth Proportional to 581,452,643.09, 872,075,407.46 and 231,669,396.20

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Solution

The fourth proportional to 581,452,643.09, 872,075,407.46 and 231,669,396.20 is: 347,462,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,452,643.09 : 872,075,407.46 = 231,669,396.20 : x
  2. Step 2: Convert to fraction form
    581,452,643.09/872,075,407.46 = 231,669,396.20/x
  3. Step 3: Cross multiply
    581,452,643.09x = 872,075,407.46 × 231,669,396.20
  4. Step 4: Simplify right side
    581,452,643.09x = 202,033,183,088,149,024
  5. Step 5: Solve for x
    x = 202,033,183,088,149,024/581,452,643.09
  6. Step 6: Final answer
    x = 347,462,833.80

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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.