Home / 713,205,077.56-1,069,815,852.92-215,219,906.89

Finding the Fourth Proportional to 713,205,077.56, 1,069,815,852.92 and 215,219,906.89

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Solution

The fourth proportional to 713,205,077.56, 1,069,815,852.92 and 215,219,906.89 is: 322,832,345.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,205,077.56 : 1,069,815,852.92 = 215,219,906.89 : x
  2. Step 2: Convert to fraction form
    713,205,077.56/1,069,815,852.92 = 215,219,906.89/x
  3. Step 3: Cross multiply
    713,205,077.56x = 1,069,815,852.92 × 215,219,906.89
  4. Step 4: Simplify right side
    713,205,077.56x = 230,245,668,252,730,304
  5. Step 5: Solve for x
    x = 230,245,668,252,730,304/713,205,077.56
  6. Step 6: Final answer
    x = 322,832,345.84

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1.5x scale

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.