Home / 763,096,186.91-1,053,301,102.21-445,642,064.48

Finding the Fourth Proportional to 763,096,186.91, 1,053,301,102.21 and 445,642,064.48

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Solution

The fourth proportional to 763,096,186.91, 1,053,301,102.21 and 445,642,064.48 is: 615,119,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,096,186.91 : 1,053,301,102.21 = 445,642,064.48 : x
  2. Step 2: Convert to fraction form
    763,096,186.91/1,053,301,102.21 = 445,642,064.48/x
  3. Step 3: Cross multiply
    763,096,186.91x = 1,053,301,102.21 × 445,642,064.48
  4. Step 4: Simplify right side
    763,096,186.91x = 469,395,277,711,136,512
  5. Step 5: Solve for x
    x = 469,395,277,711,136,512/763,096,186.91
  6. Step 6: Final answer
    x = 615,119,411.89

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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.