Home / 708,848,009.70-1,063,272,014.55-613,296,521.70

Finding the Fourth Proportional to 708,848,009.70, 1,063,272,014.55 and 613,296,521.70

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Solution

The fourth proportional to 708,848,009.70, 1,063,272,014.55 and 613,296,521.70 is: 919,944,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,848,009.70 : 1,063,272,014.55 = 613,296,521.70 : x
  2. Step 2: Convert to fraction form
    708,848,009.70/1,063,272,014.55 = 613,296,521.70/x
  3. Step 3: Cross multiply
    708,848,009.70x = 1,063,272,014.55 × 613,296,521.70
  4. Step 4: Simplify right side
    708,848,009.70x = 652,101,028,144,466,816
  5. Step 5: Solve for x
    x = 652,101,028,144,466,816/708,848,009.70
  6. Step 6: Final answer
    x = 919,944,782.55

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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.