Home / 539,642,548.85-744,711,851.57-316,628,024.81

Finding the Fourth Proportional to 539,642,548.85, 744,711,851.57 and 316,628,024.81

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Solution

The fourth proportional to 539,642,548.85, 744,711,851.57 and 316,628,024.81 is: 436,949,686.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,642,548.85 : 744,711,851.57 = 316,628,024.81 : x
  2. Step 2: Convert to fraction form
    539,642,548.85/744,711,851.57 = 316,628,024.81/x
  3. Step 3: Cross multiply
    539,642,548.85x = 744,711,851.57 × 316,628,024.81
  4. Step 4: Simplify right side
    539,642,548.85x = 235,796,642,609,900,320
  5. Step 5: Solve for x
    x = 235,796,642,609,900,320/539,642,548.85
  6. Step 6: Final answer
    x = 436,949,686.63

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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.