Home / 413,186,411.36-619,861,347.48-118,084,178.72

Finding the Fourth Proportional to 413,186,411.36, 619,861,347.48 and 118,084,178.72

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Solution

The fourth proportional to 413,186,411.36, 619,861,347.48 and 118,084,178.72 is: 177,149,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,186,411.36 : 619,861,347.48 = 118,084,178.72 : x
  2. Step 2: Convert to fraction form
    413,186,411.36/619,861,347.48 = 118,084,178.72/x
  3. Step 3: Cross multiply
    413,186,411.36x = 619,861,347.48 × 118,084,178.72
  4. Step 4: Simplify right side
    413,186,411.36x = 73,195,818,137,448,336
  5. Step 5: Solve for x
    x = 73,195,818,137,448,336/413,186,411.36
  6. Step 6: Final answer
    x = 177,149,625.75

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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.