Home / 978,550,746.53-1,350,400,252.79-538,517,598.53

Finding the Fourth Proportional to 978,550,746.53, 1,350,400,252.79 and 538,517,598.53

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Solution

The fourth proportional to 978,550,746.53, 1,350,400,252.79 and 538,517,598.53 is: 743,154,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,550,746.53 : 1,350,400,252.79 = 538,517,598.53 : x
  2. Step 2: Convert to fraction form
    978,550,746.53/1,350,400,252.79 = 538,517,598.53/x
  3. Step 3: Cross multiply
    978,550,746.53x = 1,350,400,252.79 × 538,517,598.53
  4. Step 4: Simplify right side
    978,550,746.53x = 727,214,301,181,369,984
  5. Step 5: Solve for x
    x = 727,214,301,181,369,984/978,550,746.53
  6. Step 6: Final answer
    x = 743,154,408.46

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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.