Home / 1,275,365,625,711.70-1,914,409,818,753.50-549,655,096,999.78

Finding the Fourth Proportional to 1,275,365,625,711.70, 1,914,409,818,753.50 and 549,655,096,999.78

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Solution

The fourth proportional to 1,275,365,625,711.70, 1,914,409,818,753.50 and 549,655,096,999.78 is: 825,069,371,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,365,625,711.70 : 1,914,409,818,753.50 = 549,655,096,999.78 : x
  2. Step 2: Convert to fraction form
    1,275,365,625,711.70/1,914,409,818,753.50 = 549,655,096,999.78/x
  3. Step 3: Cross multiply
    1,275,365,625,711.70x = 1,914,409,818,753.50 × 549,655,096,999.78
  4. Step 4: Simplify right side
    1,275,365,625,711.70x = 1,052,265,114,624,286,374,494,208
  5. Step 5: Solve for x
    x = 1,052,265,114,624,286,374,494,208/1,275,365,625,711.70
  6. Step 6: Final answer
    x = 825,069,371,018.28

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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.