Home / 984,087,117.60-1,476,146,422.80-257,075,829.60

Finding the Fourth Proportional to 984,087,117.60, 1,476,146,422.80 and 257,075,829.60

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Solution

The fourth proportional to 984,087,117.60, 1,476,146,422.80 and 257,075,829.60 is: 385,617,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,087,117.60 : 1,476,146,422.80 = 257,075,829.60 : x
  2. Step 2: Convert to fraction form
    984,087,117.60/1,476,146,422.80 = 257,075,829.60/x
  3. Step 3: Cross multiply
    984,087,117.60x = 1,476,146,422.80 × 257,075,829.60
  4. Step 4: Simplify right side
    984,087,117.60x = 379,481,566,252,382,336
  5. Step 5: Solve for x
    x = 379,481,566,252,382,336/984,087,117.60
  6. Step 6: Final answer
    x = 385,617,857.88

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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.