Home / 626,515,962,352.70-938,814,752,445.86-421,549,961,295.40

Finding the Fourth Proportional to 626,515,962,352.70, 938,814,752,445.86 and 421,549,961,295.40

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Solution

The fourth proportional to 626,515,962,352.70, 938,814,752,445.86 and 421,549,961,295.40 is: 631,679,552,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,515,962,352.70 : 938,814,752,445.86 = 421,549,961,295.40 : x
  2. Step 2: Convert to fraction form
    626,515,962,352.70/938,814,752,445.86 = 421,549,961,295.40/x
  3. Step 3: Cross multiply
    626,515,962,352.70x = 938,814,752,445.86 × 421,549,961,295.40
  4. Step 4: Simplify right side
    626,515,962,352.70x = 395,757,322,557,102,804,172,800
  5. Step 5: Solve for x
    x = 395,757,322,557,102,804,172,800/626,515,962,352.70
  6. Step 6: Final answer
    x = 631,679,552,219.15

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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.