Home / 470,448,563.40-705,672,845.10-452,592,145.80

Finding the Fourth Proportional to 470,448,563.40, 705,672,845.10 and 452,592,145.80

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Solution

The fourth proportional to 470,448,563.40, 705,672,845.10 and 452,592,145.80 is: 678,888,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,448,563.40 : 705,672,845.10 = 452,592,145.80 : x
  2. Step 2: Convert to fraction form
    470,448,563.40/705,672,845.10 = 452,592,145.80/x
  3. Step 3: Cross multiply
    470,448,563.40x = 705,672,845.10 × 452,592,145.80
  4. Step 4: Simplify right side
    470,448,563.40x = 319,381,987,196,600,064
  5. Step 5: Solve for x
    x = 319,381,987,196,600,064/470,448,563.40
  6. Step 6: Final answer
    x = 678,888,218.70

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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.