Home / 388,637,810.60-582,872,735.10-170,287,730.60

Finding the Fourth Proportional to 388,637,810.60, 582,872,735.10 and 170,287,730.60

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Solution

The fourth proportional to 388,637,810.60, 582,872,735.10 and 170,287,730.60 is: 255,394,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,637,810.60 : 582,872,735.10 = 170,287,730.60 : x
  2. Step 2: Convert to fraction form
    388,637,810.60/582,872,735.10 = 170,287,730.60/x
  3. Step 3: Cross multiply
    388,637,810.60x = 582,872,735.10 × 170,287,730.60
  4. Step 4: Simplify right side
    388,637,810.60x = 99,256,075,288,793,968
  5. Step 5: Solve for x
    x = 99,256,075,288,793,968/388,637,810.60
  6. Step 6: Final answer
    x = 255,394,798.40

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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.