Home / 331,776,345.40-497,664,518.10-310,277,260.60

Finding the Fourth Proportional to 331,776,345.40, 497,664,518.10 and 310,277,260.60

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Solution

The fourth proportional to 331,776,345.40, 497,664,518.10 and 310,277,260.60 is: 465,415,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,345.40 : 497,664,518.10 = 310,277,260.60 : x
  2. Step 2: Convert to fraction form
    331,776,345.40/497,664,518.10 = 310,277,260.60/x
  3. Step 3: Cross multiply
    331,776,345.40x = 497,664,518.10 × 310,277,260.60
  4. Step 4: Simplify right side
    331,776,345.40x = 154,413,983,373,887,136
  5. Step 5: Solve for x
    x = 154,413,983,373,887,136/331,776,345.40
  6. Step 6: Final answer
    x = 465,415,890.90

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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.