Home / 504,721,210.42-696,516,234.30-278,660,631.25

Finding the Fourth Proportional to 504,721,210.42, 696,516,234.30 and 278,660,631.25

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Solution

The fourth proportional to 504,721,210.42, 696,516,234.30 and 278,660,631.25 is: 384,552,203.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,721,210.42 : 696,516,234.30 = 278,660,631.25 : x
  2. Step 2: Convert to fraction form
    504,721,210.42/696,516,234.30 = 278,660,631.25/x
  3. Step 3: Cross multiply
    504,721,210.42x = 696,516,234.30 × 278,660,631.25
  4. Step 4: Simplify right side
    504,721,210.42x = 194,091,653,525,910,880
  5. Step 5: Solve for x
    x = 194,091,653,525,910,880/504,721,210.42
  6. Step 6: Final answer
    x = 384,552,203.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.