Home / 725,781,688.80-1,088,814,250.80-289,008,045.60

Finding the Fourth Proportional to 725,781,688.80, 1,088,814,250.80 and 289,008,045.60

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Solution

The fourth proportional to 725,781,688.80, 1,088,814,250.80 and 289,008,045.60 is: 433,568,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,781,688.80 : 1,088,814,250.80 = 289,008,045.60 : x
  2. Step 2: Convert to fraction form
    725,781,688.80/1,088,814,250.80 = 289,008,045.60/x
  3. Step 3: Cross multiply
    725,781,688.80x = 1,088,814,250.80 × 289,008,045.60
  4. Step 4: Simplify right side
    725,781,688.80x = 314,676,078,645,136,256
  5. Step 5: Solve for x
    x = 314,676,078,645,136,256/725,781,688.80
  6. Step 6: Final answer
    x = 433,568,500.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.