Home / 1,021,877,600.63-1,410,191,655.64-551,978,924.15

Finding the Fourth Proportional to 1,021,877,600.63, 1,410,191,655.64 and 551,978,924.15

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Solution

The fourth proportional to 1,021,877,600.63, 1,410,191,655.64 and 551,978,924.15 is: 761,731,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,877,600.63 : 1,410,191,655.64 = 551,978,924.15 : x
  2. Step 2: Convert to fraction form
    1,021,877,600.63/1,410,191,655.64 = 551,978,924.15/x
  3. Step 3: Cross multiply
    1,021,877,600.63x = 1,410,191,655.64 × 551,978,924.15
  4. Step 4: Simplify right side
    1,021,877,600.63x = 778,396,072,927,620,096
  5. Step 5: Solve for x
    x = 778,396,072,927,620,096/1,021,877,600.63
  6. Step 6: Final answer
    x = 761,731,221.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.