Home / 510,242,702.41-703,758,963.38-384,800,178.68

Finding the Fourth Proportional to 510,242,702.41, 703,758,963.38 and 384,800,178.68

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Solution

The fourth proportional to 510,242,702.41, 703,758,963.38 and 384,800,178.68 is: 530,740,711.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,242,702.41 : 703,758,963.38 = 384,800,178.68 : x
  2. Step 2: Convert to fraction form
    510,242,702.41/703,758,963.38 = 384,800,178.68/x
  3. Step 3: Cross multiply
    510,242,702.41x = 703,758,963.38 × 384,800,178.68
  4. Step 4: Simplify right side
    510,242,702.41x = 270,806,574,855,992,704
  5. Step 5: Solve for x
    x = 270,806,574,855,992,704/510,242,702.41
  6. Step 6: Final answer
    x = 530,740,711.38

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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.