Home / 1,275,365,625,712.70-1,914,409,818,755-549,655,097,000.78

Finding the Fourth Proportional to 1,275,365,625,712.70, 1,914,409,818,755 and 549,655,097,000.78

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Solution

The fourth proportional to 1,275,365,625,712.70, 1,914,409,818,755 and 549,655,097,000.78 is: 825,069,371,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,365,625,712.70 : 1,914,409,818,755 = 549,655,097,000.78 : x
  2. Step 2: Convert to fraction form
    1,275,365,625,712.70/1,914,409,818,755 = 549,655,097,000.78/x
  3. Step 3: Cross multiply
    1,275,365,625,712.70x = 1,914,409,818,755 × 549,655,097,000.78
  4. Step 4: Simplify right side
    1,275,365,625,712.70x = 1,052,265,114,627,025,221,451,776
  5. Step 5: Solve for x
    x = 1,052,265,114,627,025,221,451,776/1,275,365,625,712.70
  6. Step 6: Final answer
    x = 825,069,371,019.78

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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.