Home / 413,752,580.28-620,719,699.86-122,642,157.24

Finding the Fourth Proportional to 413,752,580.28, 620,719,699.86 and 122,642,157.24

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Solution

The fourth proportional to 413,752,580.28, 620,719,699.86 and 122,642,157.24 is: 183,990,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,752,580.28 : 620,719,699.86 = 122,642,157.24 : x
  2. Step 2: Convert to fraction form
    413,752,580.28/620,719,699.86 = 122,642,157.24/x
  3. Step 3: Cross multiply
    413,752,580.28x = 620,719,699.86 × 122,642,157.24
  4. Step 4: Simplify right side
    413,752,580.28x = 76,126,403,032,195,728
  5. Step 5: Solve for x
    x = 76,126,403,032,195,728/413,752,580.28
  6. Step 6: Final answer
    x = 183,990,159.00

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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.