Home / 704,686,533.40-1,057,029,800.10-487,008,299.80

Finding the Fourth Proportional to 704,686,533.40, 1,057,029,800.10 and 487,008,299.80

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Solution

The fourth proportional to 704,686,533.40, 1,057,029,800.10 and 487,008,299.80 is: 730,512,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,686,533.40 : 1,057,029,800.10 = 487,008,299.80 : x
  2. Step 2: Convert to fraction form
    704,686,533.40/1,057,029,800.10 = 487,008,299.80/x
  3. Step 3: Cross multiply
    704,686,533.40x = 1,057,029,800.10 × 487,008,299.80
  4. Step 4: Simplify right side
    704,686,533.40x = 514,782,285,784,634,880
  5. Step 5: Solve for x
    x = 514,782,285,784,634,880/704,686,533.40
  6. Step 6: Final answer
    x = 730,512,449.70

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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.