Home / 454,208,010.40-681,312,015.60-163,214,538.40

Finding the Fourth Proportional to 454,208,010.40, 681,312,015.60 and 163,214,538.40

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Solution

The fourth proportional to 454,208,010.40, 681,312,015.60 and 163,214,538.40 is: 244,821,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,208,010.40 : 681,312,015.60 = 163,214,538.40 : x
  2. Step 2: Convert to fraction form
    454,208,010.40/681,312,015.60 = 163,214,538.40/x
  3. Step 3: Cross multiply
    454,208,010.40x = 681,312,015.60 × 163,214,538.40
  4. Step 4: Simplify right side
    454,208,010.40x = 111,200,026,132,527,600
  5. Step 5: Solve for x
    x = 111,200,026,132,527,600/454,208,010.40
  6. Step 6: Final answer
    x = 244,821,807.60

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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.