Home / 410,398,103.95-615,701,093.11-119,258,977.75

Finding the Fourth Proportional to 410,398,103.95, 615,701,093.11 and 119,258,977.75

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Solution

The fourth proportional to 410,398,103.95, 615,701,093.11 and 119,258,977.75 is: 178,918,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,398,103.95 : 615,701,093.11 = 119,258,977.75 : x
  2. Step 2: Convert to fraction form
    410,398,103.95/615,701,093.11 = 119,258,977.75/x
  3. Step 3: Cross multiply
    410,398,103.95x = 615,701,093.11 × 119,258,977.75
  4. Step 4: Simplify right side
    410,398,103.95x = 73,427,882,962,018,768
  5. Step 5: Solve for x
    x = 73,427,882,962,018,768/410,398,103.95
  6. Step 6: Final answer
    x = 178,918,670.08

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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.