Home / 315,936,461.60-473,904,692.40-264,918,125.60

Finding the Fourth Proportional to 315,936,461.60, 473,904,692.40 and 264,918,125.60

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Solution

The fourth proportional to 315,936,461.60, 473,904,692.40 and 264,918,125.60 is: 397,377,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,936,461.60 : 473,904,692.40 = 264,918,125.60 : x
  2. Step 2: Convert to fraction form
    315,936,461.60/473,904,692.40 = 264,918,125.60/x
  3. Step 3: Cross multiply
    315,936,461.60x = 473,904,692.40 × 264,918,125.60
  4. Step 4: Simplify right side
    315,936,461.60x = 125,545,942,823,652,560
  5. Step 5: Solve for x
    x = 125,545,942,823,652,560/315,936,461.60
  6. Step 6: Final answer
    x = 397,377,188.40

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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.