Home / 786,669,131.68-1,085,597,204.88-456,674,953.12

Finding the Fourth Proportional to 786,669,131.68, 1,085,597,204.88 and 456,674,953.12

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Solution

The fourth proportional to 786,669,131.68, 1,085,597,204.88 and 456,674,953.12 is: 630,207,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,669,131.68 : 1,085,597,204.88 = 456,674,953.12 : x
  2. Step 2: Convert to fraction form
    786,669,131.68/1,085,597,204.88 = 456,674,953.12/x
  3. Step 3: Cross multiply
    786,669,131.68x = 1,085,597,204.88 × 456,674,953.12
  4. Step 4: Simplify right side
    786,669,131.68x = 495,765,052,645,777,088
  5. Step 5: Solve for x
    x = 495,765,052,645,777,088/786,669,131.68
  6. Step 6: Final answer
    x = 630,207,837.93

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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.