Home / 664,848,045.45-997,272,068.18-358,738,029.45

Finding the Fourth Proportional to 664,848,045.45, 997,272,068.18 and 358,738,029.45

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Solution

The fourth proportional to 664,848,045.45, 997,272,068.18 and 358,738,029.45 is: 538,107,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,848,045.45 : 997,272,068.18 = 358,738,029.45 : x
  2. Step 2: Convert to fraction form
    664,848,045.45/997,272,068.18 = 358,738,029.45/x
  3. Step 3: Cross multiply
    664,848,045.45x = 997,272,068.18 × 358,738,029.45
  4. Step 4: Simplify right side
    664,848,045.45x = 357,759,416,562,625,536
  5. Step 5: Solve for x
    x = 357,759,416,562,625,536/664,848,045.45
  6. Step 6: Final answer
    x = 538,107,044.18

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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.