Home / 1,215,320,616.74-1,822,980,946.98-295,190,755.22

Finding the Fourth Proportional to 1,215,320,616.74, 1,822,980,946.98 and 295,190,755.22

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Solution

The fourth proportional to 1,215,320,616.74, 1,822,980,946.98 and 295,190,755.22 is: 442,786,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,320,616.74 : 1,822,980,946.98 = 295,190,755.22 : x
  2. Step 2: Convert to fraction form
    1,215,320,616.74/1,822,980,946.98 = 295,190,755.22/x
  3. Step 3: Cross multiply
    1,215,320,616.74x = 1,822,980,946.98 × 295,190,755.22
  4. Step 4: Simplify right side
    1,215,320,616.74x = 538,127,122,490,697,024
  5. Step 5: Solve for x
    x = 538,127,122,490,697,024/1,215,320,616.74
  6. Step 6: Final answer
    x = 442,786,138.14

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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.