Home / 845,637,221.43-1,167,005,903.45-488,398,361.68

Finding the Fourth Proportional to 845,637,221.43, 1,167,005,903.45 and 488,398,361.68

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Solution

The fourth proportional to 845,637,221.43, 1,167,005,903.45 and 488,398,361.68 is: 674,005,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,637,221.43 : 1,167,005,903.45 = 488,398,361.68 : x
  2. Step 2: Convert to fraction form
    845,637,221.43/1,167,005,903.45 = 488,398,361.68/x
  3. Step 3: Cross multiply
    845,637,221.43x = 1,167,005,903.45 × 488,398,361.68
  4. Step 4: Simplify right side
    845,637,221.43x = 569,963,771,322,448,832
  5. Step 5: Solve for x
    x = 569,963,771,322,448,832/845,637,221.43
  6. Step 6: Final answer
    x = 674,005,066.10

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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.