Home / 688,152,347.96-949,651,975.92-374,888,844.48

Finding the Fourth Proportional to 688,152,347.96, 949,651,975.92 and 374,888,844.48

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Solution

The fourth proportional to 688,152,347.96, 949,651,975.92 and 374,888,844.48 is: 517,347,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,152,347.96 : 949,651,975.92 = 374,888,844.48 : x
  2. Step 2: Convert to fraction form
    688,152,347.96/949,651,975.92 = 374,888,844.48/x
  3. Step 3: Cross multiply
    688,152,347.96x = 949,651,975.92 × 374,888,844.48
  4. Step 4: Simplify right side
    688,152,347.96x = 356,013,931,910,797,568
  5. Step 5: Solve for x
    x = 356,013,931,910,797,568/688,152,347.96
  6. Step 6: Final answer
    x = 517,347,550.97

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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.