Home / 525,842,429.40-788,763,644.10-137,664,509.40

Finding the Fourth Proportional to 525,842,429.40, 788,763,644.10 and 137,664,509.40

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Solution

The fourth proportional to 525,842,429.40, 788,763,644.10 and 137,664,509.40 is: 206,496,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,842,429.40 : 788,763,644.10 = 137,664,509.40 : x
  2. Step 2: Convert to fraction form
    525,842,429.40/788,763,644.10 = 137,664,509.40/x
  3. Step 3: Cross multiply
    525,842,429.40x = 788,763,644.10 × 137,664,509.40
  4. Step 4: Simplify right side
    525,842,429.40x = 108,584,760,097,582,720
  5. Step 5: Solve for x
    x = 108,584,760,097,582,720/525,842,429.40
  6. Step 6: Final answer
    x = 206,496,764.10

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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.