Home / 305,865,830.80-458,798,746.20-275,254,829.20

Finding the Fourth Proportional to 305,865,830.80, 458,798,746.20 and 275,254,829.20

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Solution

The fourth proportional to 305,865,830.80, 458,798,746.20 and 275,254,829.20 is: 412,882,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,865,830.80 : 458,798,746.20 = 275,254,829.20 : x
  2. Step 2: Convert to fraction form
    305,865,830.80/458,798,746.20 = 275,254,829.20/x
  3. Step 3: Cross multiply
    305,865,830.80x = 458,798,746.20 × 275,254,829.20
  4. Step 4: Simplify right side
    305,865,830.80x = 126,286,570,522,455,136
  5. Step 5: Solve for x
    x = 126,286,570,522,455,136/305,865,830.80
  6. Step 6: Final answer
    x = 412,882,243.80

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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.