Home / 1,207,654,314.60-1,810,843,742.70-516,781,014.60

Finding the Fourth Proportional to 1,207,654,314.60, 1,810,843,742.70 and 516,781,014.60

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Solution

The fourth proportional to 1,207,654,314.60, 1,810,843,742.70 and 516,781,014.60 is: 774,898,623.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,654,314.60 : 1,810,843,742.70 = 516,781,014.60 : x
  2. Step 2: Convert to fraction form
    1,207,654,314.60/1,810,843,742.70 = 516,781,014.60/x
  3. Step 3: Cross multiply
    1,207,654,314.60x = 1,810,843,742.70 × 516,781,014.60
  4. Step 4: Simplify right side
    1,207,654,314.60x = 935,809,666,634,567,424
  5. Step 5: Solve for x
    x = 935,809,666,634,567,424/1,207,654,314.60
  6. Step 6: Final answer
    x = 774,898,623.99

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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.