Home / 697,544,795.87-1,045,953,883.25-328,980,788.47

Finding the Fourth Proportional to 697,544,795.87, 1,045,953,883.25 and 328,980,788.47

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Solution

The fourth proportional to 697,544,795.87, 1,045,953,883.25 and 328,980,788.47 is: 493,299,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,544,795.87 : 1,045,953,883.25 = 328,980,788.47 : x
  2. Step 2: Convert to fraction form
    697,544,795.87/1,045,953,883.25 = 328,980,788.47/x
  3. Step 3: Cross multiply
    697,544,795.87x = 1,045,953,883.25 × 328,980,788.47
  4. Step 4: Simplify right side
    697,544,795.87x = 344,098,733,207,968,640
  5. Step 5: Solve for x
    x = 344,098,733,207,968,640/697,544,795.87
  6. Step 6: Final answer
    x = 493,299,835.72

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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.