Home / 626,515,962,373.82-938,814,752,477.39-421,549,961,316.52

Finding the Fourth Proportional to 626,515,962,373.82, 938,814,752,477.39 and 421,549,961,316.52

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Solution

The fourth proportional to 626,515,962,373.82, 938,814,752,477.39 and 421,549,961,316.52 is: 631,679,552,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,515,962,373.82 : 938,814,752,477.39 = 421,549,961,316.52 : x
  2. Step 2: Convert to fraction form
    626,515,962,373.82/938,814,752,477.39 = 421,549,961,316.52/x
  3. Step 3: Cross multiply
    626,515,962,373.82x = 938,814,752,477.39 × 421,549,961,316.52
  4. Step 4: Simplify right side
    626,515,962,373.82x = 395,757,322,590,222,102,298,624
  5. Step 5: Solve for x
    x = 395,757,322,590,222,102,298,624/626,515,962,373.82
  6. Step 6: Final answer
    x = 631,679,552,250.72

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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.