Home / 988,410,041.39-1,364,002,113.94-542,380,867.18

Finding the Fourth Proportional to 988,410,041.39, 1,364,002,113.94 and 542,380,867.18

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Solution

The fourth proportional to 988,410,041.39, 1,364,002,113.94 and 542,380,867.18 is: 748,483,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,410,041.39 : 1,364,002,113.94 = 542,380,867.18 : x
  2. Step 2: Convert to fraction form
    988,410,041.39/1,364,002,113.94 = 542,380,867.18/x
  3. Step 3: Cross multiply
    988,410,041.39x = 1,364,002,113.94 × 542,380,867.18
  4. Step 4: Simplify right side
    988,410,041.39x = 739,808,649,389,364,480
  5. Step 5: Solve for x
    x = 739,808,649,389,364,480/988,410,041.39
  6. Step 6: Final answer
    x = 748,483,542.67

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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.