Home / 704,384,013.60-1,056,576,020.40-459,496,000.80

Finding the Fourth Proportional to 704,384,013.60, 1,056,576,020.40 and 459,496,000.80

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Solution

The fourth proportional to 704,384,013.60, 1,056,576,020.40 and 459,496,000.80 is: 689,244,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,384,013.60 : 1,056,576,020.40 = 459,496,000.80 : x
  2. Step 2: Convert to fraction form
    704,384,013.60/1,056,576,020.40 = 459,496,000.80/x
  3. Step 3: Cross multiply
    704,384,013.60x = 1,056,576,020.40 × 459,496,000.80
  4. Step 4: Simplify right side
    704,384,013.60x = 485,492,455,914,979,200
  5. Step 5: Solve for x
    x = 485,492,455,914,979,200/704,384,013.60
  6. Step 6: Final answer
    x = 689,244,001.20

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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.