Home / 647,255,015.65-893,454,823.75-424,251,068.45

Finding the Fourth Proportional to 647,255,015.65, 893,454,823.75 and 424,251,068.45

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Solution

The fourth proportional to 647,255,015.65, 893,454,823.75 and 424,251,068.45 is: 585,625,687.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,255,015.65 : 893,454,823.75 = 424,251,068.45 : x
  2. Step 2: Convert to fraction form
    647,255,015.65/893,454,823.75 = 424,251,068.45/x
  3. Step 3: Cross multiply
    647,255,015.65x = 893,454,823.75 × 424,251,068.45
  4. Step 4: Simplify right side
    647,255,015.65x = 379,049,163,587,743,936
  5. Step 5: Solve for x
    x = 379,049,163,587,743,936/647,255,015.65
  6. Step 6: Final answer
    x = 585,625,687.59

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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.