Home / 836,464,003.80-1,254,696,005.70-291,024,259.80

Finding the Fourth Proportional to 836,464,003.80, 1,254,696,005.70 and 291,024,259.80

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Solution

The fourth proportional to 836,464,003.80, 1,254,696,005.70 and 291,024,259.80 is: 436,536,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,464,003.80 : 1,254,696,005.70 = 291,024,259.80 : x
  2. Step 2: Convert to fraction form
    836,464,003.80/1,254,696,005.70 = 291,024,259.80/x
  3. Step 3: Cross multiply
    836,464,003.80x = 1,254,696,005.70 × 291,024,259.80
  4. Step 4: Simplify right side
    836,464,003.80x = 365,146,976,332,859,136
  5. Step 5: Solve for x
    x = 365,146,976,332,859,136/836,464,003.80
  6. Step 6: Final answer
    x = 436,536,389.70

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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.