Home / 879,689,847.88-1,213,901,194.26-508,435,925.32

Finding the Fourth Proportional to 879,689,847.88, 1,213,901,194.26 and 508,435,925.32

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Solution

The fourth proportional to 879,689,847.88, 1,213,901,194.26 and 508,435,925.32 is: 701,600,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,689,847.88 : 1,213,901,194.26 = 508,435,925.32 : x
  2. Step 2: Convert to fraction form
    879,689,847.88/1,213,901,194.26 = 508,435,925.32/x
  3. Step 3: Cross multiply
    879,689,847.88x = 1,213,901,194.26 × 508,435,925.32
  4. Step 4: Simplify right side
    879,689,847.88x = 617,190,976,950,636,160
  5. Step 5: Solve for x
    x = 617,190,976,950,636,160/879,689,847.88
  6. Step 6: Final answer
    x = 701,600,658.96

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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.