Home / 873,301,989,728.86-1,309,979,671,361.80-299,610,055,392.93

Finding the Fourth Proportional to 873,301,989,728.86, 1,309,979,671,361.80 and 299,610,055,392.93

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Solution

The fourth proportional to 873,301,989,728.86, 1,309,979,671,361.80 and 299,610,055,392.93 is: 449,424,238,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,301,989,728.86 : 1,309,979,671,361.80 = 299,610,055,392.93 : x
  2. Step 2: Convert to fraction form
    873,301,989,728.86/1,309,979,671,361.80 = 299,610,055,392.93/x
  3. Step 3: Cross multiply
    873,301,989,728.86x = 1,309,979,671,361.80 × 299,610,055,392.93
  4. Step 4: Simplify right side
    873,301,989,728.86x = 392,483,081,900,321,153,220,608
  5. Step 5: Solve for x
    x = 392,483,081,900,321,153,220,608/873,301,989,728.86
  6. Step 6: Final answer
    x = 449,424,238,712.86

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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.