Home / 1,187,186,808.35-1,778,964,242.49-634,567,884.50

Finding the Fourth Proportional to 1,187,186,808.35, 1,778,964,242.49 and 634,567,884.50

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Solution

The fourth proportional to 1,187,186,808.35, 1,778,964,242.49 and 634,567,884.50 is: 950,881,165.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,186,808.35 : 1,778,964,242.49 = 634,567,884.50 : x
  2. Step 2: Convert to fraction form
    1,187,186,808.35/1,778,964,242.49 = 634,567,884.50/x
  3. Step 3: Cross multiply
    1,187,186,808.35x = 1,778,964,242.49 × 634,567,884.50
  4. Step 4: Simplify right side
    1,187,186,808.35x = 1,128,873,575,958,024,320
  5. Step 5: Solve for x
    x = 1,128,873,575,958,024,320/1,187,186,808.35
  6. Step 6: Final answer
    x = 950,881,165.47

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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.