Home / 5,640,851,772.18-7,776,171,185.13-3,942,032,075.10

Finding the Fourth Proportional to 5,640,851,772.18, 7,776,171,185.13 and 3,942,032,075.10

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Solution

The fourth proportional to 5,640,851,772.18, 7,776,171,185.13 and 3,942,032,075.10 is: 5,434,270,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,851,772.18 : 7,776,171,185.13 = 3,942,032,075.10 : x
  2. Step 2: Convert to fraction form
    5,640,851,772.18/7,776,171,185.13 = 3,942,032,075.10/x
  3. Step 3: Cross multiply
    5,640,851,772.18x = 7,776,171,185.13 × 3,942,032,075.10
  4. Step 4: Simplify right side
    5,640,851,772.18x = 30,653,916,233,250,840,576
  5. Step 5: Solve for x
    x = 30,653,916,233,250,840,576/5,640,851,772.18
  6. Step 6: Final answer
    x = 5,434,270,828.46

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1.5x scale

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.