Home / 459,571,323.20-689,356,984.80-314,452,500.80

Finding the Fourth Proportional to 459,571,323.20, 689,356,984.80 and 314,452,500.80

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Solution

The fourth proportional to 459,571,323.20, 689,356,984.80 and 314,452,500.80 is: 471,678,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,571,323.20 : 689,356,984.80 = 314,452,500.80 : x
  2. Step 2: Convert to fraction form
    459,571,323.20/689,356,984.80 = 314,452,500.80/x
  3. Step 3: Cross multiply
    459,571,323.20x = 689,356,984.80 × 314,452,500.80
  4. Step 4: Simplify right side
    459,571,323.20x = 216,770,027,814,307,584
  5. Step 5: Solve for x
    x = 216,770,027,814,307,584/459,571,323.20
  6. Step 6: Final answer
    x = 471,678,751.20

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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.