Home / 456,264,003.20-684,396,004.80-440,139,689.60

Finding the Fourth Proportional to 456,264,003.20, 684,396,004.80 and 440,139,689.60

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Solution

The fourth proportional to 456,264,003.20, 684,396,004.80 and 440,139,689.60 is: 660,209,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,264,003.20 : 684,396,004.80 = 440,139,689.60 : x
  2. Step 2: Convert to fraction form
    456,264,003.20/684,396,004.80 = 440,139,689.60/x
  3. Step 3: Cross multiply
    456,264,003.20x = 684,396,004.80 × 440,139,689.60
  4. Step 4: Simplify right side
    456,264,003.20x = 301,229,845,116,152,128
  5. Step 5: Solve for x
    x = 301,229,845,116,152,128/456,264,003.20
  6. Step 6: Final answer
    x = 660,209,534.40

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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.