Home / 440,354,052.80-660,528,746.40-112,828,932.80

Finding the Fourth Proportional to 440,354,052.80, 660,528,746.40 and 112,828,932.80

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Solution

The fourth proportional to 440,354,052.80, 660,528,746.40 and 112,828,932.80 is: 169,242,801.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,354,052.80 : 660,528,746.40 = 112,828,932.80 : x
  2. Step 2: Convert to fraction form
    440,354,052.80/660,528,746.40 = 112,828,932.80/x
  3. Step 3: Cross multiply
    440,354,052.80x = 660,528,746.40 × 112,828,932.80
  4. Step 4: Simplify right side
    440,354,052.80x = 74,526,753,540,033,840
  5. Step 5: Solve for x
    x = 74,526,753,540,033,840/440,354,052.80
  6. Step 6: Final answer
    x = 169,242,801.48

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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.