Home / 1,014,785,461,768.60-1,400,430,478,431.60-551,839,576,231.08

Finding the Fourth Proportional to 1,014,785,461,768.60, 1,400,430,478,431.60 and 551,839,576,231.08

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Solution

The fourth proportional to 1,014,785,461,768.60, 1,400,430,478,431.60 and 551,839,576,231.08 is: 761,553,048,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,785,461,768.60 : 1,400,430,478,431.60 = 551,839,576,231.08 : x
  2. Step 2: Convert to fraction form
    1,014,785,461,768.60/1,400,430,478,431.60 = 551,839,576,231.08/x
  3. Step 3: Cross multiply
    1,014,785,461,768.60x = 1,400,430,478,431.60 × 551,839,576,231.08
  4. Step 4: Simplify right side
    1,014,785,461,768.60x = 772,812,961,758,782,731,321,344
  5. Step 5: Solve for x
    x = 772,812,961,758,782,731,321,344/1,014,785,461,768.60
  6. Step 6: Final answer
    x = 761,553,048,278.70

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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.