Home / 888,758,852.50-1,226,499,878.37-512,407,995.22

Finding the Fourth Proportional to 888,758,852.50, 1,226,499,878.37 and 512,407,995.22

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Solution

The fourth proportional to 888,758,852.50, 1,226,499,878.37 and 512,407,995.22 is: 707,130,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,758,852.50 : 1,226,499,878.37 = 512,407,995.22 : x
  2. Step 2: Convert to fraction form
    888,758,852.50/1,226,499,878.37 = 512,407,995.22/x
  3. Step 3: Cross multiply
    888,758,852.50x = 1,226,499,878.37 × 512,407,995.22
  4. Step 4: Simplify right side
    888,758,852.50x = 628,468,343,813,145,472
  5. Step 5: Solve for x
    x = 628,468,343,813,145,472/888,758,852.50
  6. Step 6: Final answer
    x = 707,130,333.55

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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.