Home / 617,915,271.20-927,470,103.60-311,553,312.80

Finding the Fourth Proportional to 617,915,271.20, 927,470,103.60 and 311,553,312.80

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Solution

The fourth proportional to 617,915,271.20, 927,470,103.60 and 311,553,312.80 is: 467,631,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,915,271.20 : 927,470,103.60 = 311,553,312.80 : x
  2. Step 2: Convert to fraction form
    617,915,271.20/927,470,103.60 = 311,553,312.80/x
  3. Step 3: Cross multiply
    617,915,271.20x = 927,470,103.60 × 311,553,312.80
  4. Step 4: Simplify right side
    617,915,271.20x = 288,956,383,299,539,200
  5. Step 5: Solve for x
    x = 288,956,383,299,539,200/617,915,271.20
  6. Step 6: Final answer
    x = 467,631,076.25

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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.