Home / 1,014,041,078.66-1,399,384,905-561,926,598.01

Finding the Fourth Proportional to 1,014,041,078.66, 1,399,384,905 and 561,926,598.01

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Solution

The fourth proportional to 1,014,041,078.66, 1,399,384,905 and 561,926,598.01 is: 775,463,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,041,078.66 : 1,399,384,905 = 561,926,598.01 : x
  2. Step 2: Convert to fraction form
    1,014,041,078.66/1,399,384,905 = 561,926,598.01/x
  3. Step 3: Cross multiply
    1,014,041,078.66x = 1,399,384,905 × 561,926,598.01
  4. Step 4: Simplify right side
    1,014,041,078.66x = 786,351,598,973,197,056
  5. Step 5: Solve for x
    x = 786,351,598,973,197,056/1,014,041,078.66
  6. Step 6: Final answer
    x = 775,463,258.36

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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.