Home / 539,642,558.61-744,711,865.02-316,628,034.57

Finding the Fourth Proportional to 539,642,558.61, 744,711,865.02 and 316,628,034.57

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Solution

The fourth proportional to 539,642,558.61, 744,711,865.02 and 316,628,034.57 is: 436,949,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,642,558.61 : 744,711,865.02 = 316,628,034.57 : x
  2. Step 2: Convert to fraction form
    539,642,558.61/744,711,865.02 = 316,628,034.57/x
  3. Step 3: Cross multiply
    539,642,558.61x = 744,711,865.02 × 316,628,034.57
  4. Step 4: Simplify right side
    539,642,558.61x = 235,796,654,142,241,728
  5. Step 5: Solve for x
    x = 235,796,654,142,241,728/539,642,558.61
  6. Step 6: Final answer
    x = 436,949,700.09

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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.