Home / 469,916,271.47-648,489,616.36-258,223,156.86

Finding the Fourth Proportional to 469,916,271.47, 648,489,616.36 and 258,223,156.86

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Solution

The fourth proportional to 469,916,271.47, 648,489,616.36 and 258,223,156.86 is: 356,350,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,916,271.47 : 648,489,616.36 = 258,223,156.86 : x
  2. Step 2: Convert to fraction form
    469,916,271.47/648,489,616.36 = 258,223,156.86/x
  3. Step 3: Cross multiply
    469,916,271.47x = 648,489,616.36 × 258,223,156.86
  4. Step 4: Simplify right side
    469,916,271.47x = 167,455,035,924,332,096
  5. Step 5: Solve for x
    x = 167,455,035,924,332,096/469,916,271.47
  6. Step 6: Final answer
    x = 356,350,792.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.