Home / 453,541,155.53-679,679,289.34-342,785,898.68

Finding the Fourth Proportional to 453,541,155.53, 679,679,289.34 and 342,785,898.68

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Solution

The fourth proportional to 453,541,155.53, 679,679,289.34 and 342,785,898.68 is: 513,700,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,541,155.53 : 679,679,289.34 = 342,785,898.68 : x
  2. Step 2: Convert to fraction form
    453,541,155.53/679,679,289.34 = 342,785,898.68/x
  3. Step 3: Cross multiply
    453,541,155.53x = 679,679,289.34 × 342,785,898.68
  4. Step 4: Simplify right side
    453,541,155.53x = 232,984,476,006,340,288
  5. Step 5: Solve for x
    x = 232,984,476,006,340,288/453,541,155.53
  6. Step 6: Final answer
    x = 513,700,847.58

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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.