Home / 539,642,559.61-744,711,866.40-316,628,035.57

Finding the Fourth Proportional to 539,642,559.61, 744,711,866.40 and 316,628,035.57

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Solution

The fourth proportional to 539,642,559.61, 744,711,866.40 and 316,628,035.57 is: 436,949,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,642,559.61 : 744,711,866.40 = 316,628,035.57 : x
  2. Step 2: Convert to fraction form
    539,642,559.61/744,711,866.40 = 316,628,035.57/x
  3. Step 3: Cross multiply
    539,642,559.61x = 744,711,866.40 × 316,628,035.57
  4. Step 4: Simplify right side
    539,642,559.61x = 235,796,655,323,900,288
  5. Step 5: Solve for x
    x = 235,796,655,323,900,288/539,642,559.61
  6. Step 6: Final answer
    x = 436,949,701.47

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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.