Home / 456,194,831.60-684,292,247.40-311,076,009.20

Finding the Fourth Proportional to 456,194,831.60, 684,292,247.40 and 311,076,009.20

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Solution

The fourth proportional to 456,194,831.60, 684,292,247.40 and 311,076,009.20 is: 466,614,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,194,831.60 : 684,292,247.40 = 311,076,009.20 : x
  2. Step 2: Convert to fraction form
    456,194,831.60/684,292,247.40 = 311,076,009.20/x
  3. Step 3: Cross multiply
    456,194,831.60x = 684,292,247.40 × 311,076,009.20
  4. Step 4: Simplify right side
    456,194,831.60x = 212,866,901,447,691,072
  5. Step 5: Solve for x
    x = 212,866,901,447,691,072/456,194,831.60
  6. Step 6: Final answer
    x = 466,614,013.80

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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.