Home / 546,427,515.12-754,075,953.72-298,908,871.80

Finding the Fourth Proportional to 546,427,515.12, 754,075,953.72 and 298,908,871.80

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Solution

The fourth proportional to 546,427,515.12, 754,075,953.72 and 298,908,871.80 is: 412,497,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,427,515.12 : 754,075,953.72 = 298,908,871.80 : x
  2. Step 2: Convert to fraction form
    546,427,515.12/754,075,953.72 = 298,908,871.80/x
  3. Step 3: Cross multiply
    546,427,515.12x = 754,075,953.72 × 298,908,871.80
  4. Step 4: Simplify right side
    546,427,515.12x = 225,399,992,577,954,240
  5. Step 5: Solve for x
    x = 225,399,992,577,954,240/546,427,515.12
  6. Step 6: Final answer
    x = 412,497,515.85

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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.