Home / 1,187,186,811.48-1,778,964,247.18-634,567,887.63

Finding the Fourth Proportional to 1,187,186,811.48, 1,778,964,247.18 and 634,567,887.63

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Solution

The fourth proportional to 1,187,186,811.48, 1,778,964,247.18 and 634,567,887.63 is: 950,881,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,186,811.48 : 1,778,964,247.18 = 634,567,887.63 : x
  2. Step 2: Convert to fraction form
    1,187,186,811.48/1,778,964,247.18 = 634,567,887.63/x
  3. Step 3: Cross multiply
    1,187,186,811.48x = 1,778,964,247.18 × 634,567,887.63
  4. Step 4: Simplify right side
    1,187,186,811.48x = 1,128,873,584,500,719,360
  5. Step 5: Solve for x
    x = 1,128,873,584,500,719,360/1,187,186,811.48
  6. Step 6: Final answer
    x = 950,881,170.16

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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.