Home / 620,075,961.90-855,130,040.40-452,546,863.02

Finding the Fourth Proportional to 620,075,961.90, 855,130,040.40 and 452,546,863.02

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Solution

The fourth proportional to 620,075,961.90, 855,130,040.40 and 452,546,863.02 is: 624,095,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,075,961.90 : 855,130,040.40 = 452,546,863.02 : x
  2. Step 2: Convert to fraction form
    620,075,961.90/855,130,040.40 = 452,546,863.02/x
  3. Step 3: Cross multiply
    620,075,961.90x = 855,130,040.40 × 452,546,863.02
  4. Step 4: Simplify right side
    620,075,961.90x = 386,986,417,258,882,880
  5. Step 5: Solve for x
    x = 386,986,417,258,882,880/620,075,961.90
  6. Step 6: Final answer
    x = 624,095,177.10

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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.