Home / 454,830,340-627,665,870.20-245,986,482.64

Finding the Fourth Proportional to 454,830,340, 627,665,870.20 and 245,986,482.64

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Solution

The fourth proportional to 454,830,340, 627,665,870.20 and 245,986,482.64 is: 339,461,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,830,340 : 627,665,870.20 = 245,986,482.64 : x
  2. Step 2: Convert to fraction form
    454,830,340/627,665,870.20 = 245,986,482.64/x
  3. Step 3: Cross multiply
    454,830,340x = 627,665,870.20 × 245,986,482.64
  4. Step 4: Simplify right side
    454,830,340x = 154,397,319,683,672,800
  5. Step 5: Solve for x
    x = 154,397,319,683,672,800/454,830,340
  6. Step 6: Final answer
    x = 339,461,346.58

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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.