Home / 767,738,178.78-1,059,475,495.57-415,313,300.76

Finding the Fourth Proportional to 767,738,178.78, 1,059,475,495.57 and 415,313,300.76

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Solution

The fourth proportional to 767,738,178.78, 1,059,475,495.57 and 415,313,300.76 is: 573,130,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,738,178.78 : 1,059,475,495.57 = 415,313,300.76 : x
  2. Step 2: Convert to fraction form
    767,738,178.78/1,059,475,495.57 = 415,313,300.76/x
  3. Step 3: Cross multiply
    767,738,178.78x = 1,059,475,495.57 × 415,313,300.76
  4. Step 4: Simplify right side
    767,738,178.78x = 440,014,265,138,475,136
  5. Step 5: Solve for x
    x = 440,014,265,138,475,136/767,738,178.78
  6. Step 6: Final answer
    x = 573,130,628.77

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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.