Home / 454,804,642.12-627,632,285.84-245,960,780.44

Finding the Fourth Proportional to 454,804,642.12, 627,632,285.84 and 245,960,780.44

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Solution

The fourth proportional to 454,804,642.12, 627,632,285.84 and 245,960,780.44 is: 339,426,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,804,642.12 : 627,632,285.84 = 245,960,780.44 : x
  2. Step 2: Convert to fraction form
    454,804,642.12/627,632,285.84 = 245,960,780.44/x
  3. Step 3: Cross multiply
    454,804,642.12x = 627,632,285.84 × 245,960,780.44
  4. Step 4: Simplify right side
    454,804,642.12x = 154,372,926,854,547,552
  5. Step 5: Solve for x
    x = 154,372,926,854,547,552/454,804,642.12
  6. Step 6: Final answer
    x = 339,426,893.57

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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.