Home / 1,146,171,607.80-1,715,289,318.90-686,439,713.40

Finding the Fourth Proportional to 1,146,171,607.80, 1,715,289,318.90 and 686,439,713.40

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Solution

The fourth proportional to 1,146,171,607.80, 1,715,289,318.90 and 686,439,713.40 is: 1,027,283,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,171,607.80 : 1,715,289,318.90 = 686,439,713.40 : x
  2. Step 2: Convert to fraction form
    1,146,171,607.80/1,715,289,318.90 = 686,439,713.40/x
  3. Step 3: Cross multiply
    1,146,171,607.80x = 1,715,289,318.90 × 686,439,713.40
  4. Step 4: Simplify right side
    1,146,171,607.80x = 1,177,442,708,463,797,248
  5. Step 5: Solve for x
    x = 1,177,442,708,463,797,248/1,146,171,607.80
  6. Step 6: Final answer
    x = 1,027,283,087.85

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1.5x scale

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.