Home / 609,999,312.78-842,144,735.79-466,675,426.26

Finding the Fourth Proportional to 609,999,312.78, 842,144,735.79 and 466,675,426.26

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Solution

The fourth proportional to 609,999,312.78, 842,144,735.79 and 466,675,426.26 is: 644,276,551.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,999,312.78 : 842,144,735.79 = 466,675,426.26 : x
  2. Step 2: Convert to fraction form
    609,999,312.78/842,144,735.79 = 466,675,426.26/x
  3. Step 3: Cross multiply
    609,999,312.78x = 842,144,735.79 × 466,675,426.26
  4. Step 4: Simplify right side
    609,999,312.78x = 393,008,253,547,413,312
  5. Step 5: Solve for x
    x = 393,008,253,547,413,312/609,999,312.78
  6. Step 6: Final answer
    x = 644,276,551.32

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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.