Home / 961,814,248.68-1,327,162,060.62-538,405,903.56

Finding the Fourth Proportional to 961,814,248.68, 1,327,162,060.62 and 538,405,903.56

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Solution

The fourth proportional to 961,814,248.68, 1,327,162,060.62 and 538,405,903.56 is: 742,920,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,814,248.68 : 1,327,162,060.62 = 538,405,903.56 : x
  2. Step 2: Convert to fraction form
    961,814,248.68/1,327,162,060.62 = 538,405,903.56/x
  3. Step 3: Cross multiply
    961,814,248.68x = 1,327,162,060.62 × 538,405,903.56
  4. Step 4: Simplify right side
    961,814,248.68x = 714,551,888,418,662,400
  5. Step 5: Solve for x
    x = 714,551,888,418,662,400/961,814,248.68
  6. Step 6: Final answer
    x = 742,920,880.41

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1.5x scale

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.