Home / 838,062,894.40-1,256,312,680.92-284,987,375.92

Finding the Fourth Proportional to 838,062,894.40, 1,256,312,680.92 and 284,987,375.92

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Solution

The fourth proportional to 838,062,894.40, 1,256,312,680.92 and 284,987,375.92 is: 427,215,256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,062,894.40 : 1,256,312,680.92 = 284,987,375.92 : x
  2. Step 2: Convert to fraction form
    838,062,894.40/1,256,312,680.92 = 284,987,375.92/x
  3. Step 3: Cross multiply
    838,062,894.40x = 1,256,312,680.92 × 284,987,375.92
  4. Step 4: Simplify right side
    838,062,894.40x = 358,033,254,270,411,072
  5. Step 5: Solve for x
    x = 358,033,254,270,411,072/838,062,894.40
  6. Step 6: Final answer
    x = 427,215,256.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.