Home / 315,342,973.80-473,014,460.70-207,759,076.20

Finding the Fourth Proportional to 315,342,973.80, 473,014,460.70 and 207,759,076.20

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Solution

The fourth proportional to 315,342,973.80, 473,014,460.70 and 207,759,076.20 is: 311,638,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,342,973.80 : 473,014,460.70 = 207,759,076.20 : x
  2. Step 2: Convert to fraction form
    315,342,973.80/473,014,460.70 = 207,759,076.20/x
  3. Step 3: Cross multiply
    315,342,973.80x = 473,014,460.70 × 207,759,076.20
  4. Step 4: Simplify right side
    315,342,973.80x = 98,273,047,384,273,200
  5. Step 5: Solve for x
    x = 98,273,047,384,273,200/315,342,973.80
  6. Step 6: Final answer
    x = 311,638,614.30

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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.