Home / 1,262,308,939.40-1,893,463,409.10-711,310,910.60

Finding the Fourth Proportional to 1,262,308,939.40, 1,893,463,409.10 and 711,310,910.60

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Solution

The fourth proportional to 1,262,308,939.40, 1,893,463,409.10 and 711,310,910.60 is: 1,066,966,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,308,939.40 : 1,893,463,409.10 = 711,310,910.60 : x
  2. Step 2: Convert to fraction form
    1,262,308,939.40/1,893,463,409.10 = 711,310,910.60/x
  3. Step 3: Cross multiply
    1,262,308,939.40x = 1,893,463,409.10 × 711,310,910.60
  4. Step 4: Simplify right side
    1,262,308,939.40x = 1,346,841,181,714,701,312
  5. Step 5: Solve for x
    x = 1,346,841,181,714,701,312/1,262,308,939.40
  6. Step 6: Final answer
    x = 1,066,966,365.90

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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.