Home / 818,400,126.05-1,129,392,627.08-442,056,712.07

Finding the Fourth Proportional to 818,400,126.05, 1,129,392,627.08 and 442,056,712.07

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Solution

The fourth proportional to 818,400,126.05, 1,129,392,627.08 and 442,056,712.07 is: 610,038,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,400,126.05 : 1,129,392,627.08 = 442,056,712.07 : x
  2. Step 2: Convert to fraction form
    818,400,126.05/1,129,392,627.08 = 442,056,712.07/x
  3. Step 3: Cross multiply
    818,400,126.05x = 1,129,392,627.08 × 442,056,712.07
  4. Step 4: Simplify right side
    818,400,126.05x = 499,255,591,355,227,200
  5. Step 5: Solve for x
    x = 499,255,591,355,227,200/818,400,126.05
  6. Step 6: Final answer
    x = 610,038,507.40

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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.