Home / 454,828,367.16-627,663,146.20-245,984,509.55

Finding the Fourth Proportional to 454,828,367.16, 627,663,146.20 and 245,984,509.55

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Solution

The fourth proportional to 454,828,367.16, 627,663,146.20 and 245,984,509.55 is: 339,458,622.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,828,367.16 : 627,663,146.20 = 245,984,509.55 : x
  2. Step 2: Convert to fraction form
    454,828,367.16/627,663,146.20 = 245,984,509.55/x
  3. Step 3: Cross multiply
    454,828,367.16x = 627,663,146.20 × 245,984,509.55
  4. Step 4: Simplify right side
    454,828,367.16x = 154,395,411,181,571,136
  5. Step 5: Solve for x
    x = 154,395,411,181,571,136/454,828,367.16
  6. Step 6: Final answer
    x = 339,458,622.92

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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.