Home / 502,018,001.80-753,027,002.70-348,962,993.80

Finding the Fourth Proportional to 502,018,001.80, 753,027,002.70 and 348,962,993.80

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Solution

The fourth proportional to 502,018,001.80, 753,027,002.70 and 348,962,993.80 is: 523,444,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,018,001.80 : 753,027,002.70 = 348,962,993.80 : x
  2. Step 2: Convert to fraction form
    502,018,001.80/753,027,002.70 = 348,962,993.80/x
  3. Step 3: Cross multiply
    502,018,001.80x = 753,027,002.70 × 348,962,993.80
  4. Step 4: Simplify right side
    502,018,001.80x = 262,778,557,274,432,704
  5. Step 5: Solve for x
    x = 262,778,557,274,432,704/502,018,001.80
  6. Step 6: Final answer
    x = 523,444,490.70

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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.