Home / 278,946,717.48-384,950,011.62-153,513,355.50

Finding the Fourth Proportional to 278,946,717.48, 384,950,011.62 and 153,513,355.50

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Solution

The fourth proportional to 278,946,717.48, 384,950,011.62 and 153,513,355.50 is: 211,850,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,946,717.48 : 384,950,011.62 = 153,513,355.50 : x
  2. Step 2: Convert to fraction form
    278,946,717.48/384,950,011.62 = 153,513,355.50/x
  3. Step 3: Cross multiply
    278,946,717.48x = 384,950,011.62 × 153,513,355.50
  4. Step 4: Simplify right side
    278,946,717.48x = 59,094,967,983,550,192
  5. Step 5: Solve for x
    x = 59,094,967,983,550,192/278,946,717.48
  6. Step 6: Final answer
    x = 211,850,379.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.