Home / 1,021,877,598.37-1,410,191,652.54-551,978,921.89

Finding the Fourth Proportional to 1,021,877,598.37, 1,410,191,652.54 and 551,978,921.89

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Solution

The fourth proportional to 1,021,877,598.37, 1,410,191,652.54 and 551,978,921.89 is: 761,731,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,877,598.37 : 1,410,191,652.54 = 551,978,921.89 : x
  2. Step 2: Convert to fraction form
    1,021,877,598.37/1,410,191,652.54 = 551,978,921.89/x
  3. Step 3: Cross multiply
    1,021,877,598.37x = 1,410,191,652.54 × 551,978,921.89
  4. Step 4: Simplify right side
    1,021,877,598.37x = 778,396,068,028,020,736
  5. Step 5: Solve for x
    x = 778,396,068,028,020,736/1,021,877,598.37
  6. Step 6: Final answer
    x = 761,731,218.37

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1.5x scale

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.