Home / 579,963,925.94-798,328,829.68-505,495,088.78

Finding the Fourth Proportional to 579,963,925.94, 798,328,829.68 and 505,495,088.78

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Solution

The fourth proportional to 579,963,925.94, 798,328,829.68 and 505,495,088.78 is: 695,821,385.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,963,925.94 : 798,328,829.68 = 505,495,088.78 : x
  2. Step 2: Convert to fraction form
    579,963,925.94/798,328,829.68 = 505,495,088.78/x
  3. Step 3: Cross multiply
    579,963,925.94x = 798,328,829.68 × 505,495,088.78
  4. Step 4: Simplify right side
    579,963,925.94x = 403,551,302,629,469,696
  5. Step 5: Solve for x
    x = 403,551,302,629,469,696/579,963,925.94
  6. Step 6: Final answer
    x = 695,821,385.75

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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.