Home / 411,828,015.12-619,968,471.41-375,175,464.36

Finding the Fourth Proportional to 411,828,015.12, 619,968,471.41 and 375,175,464.36

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Solution

The fourth proportional to 411,828,015.12, 619,968,471.41 and 375,175,464.36 is: 564,791,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,828,015.12 : 619,968,471.41 = 375,175,464.36 : x
  2. Step 2: Convert to fraction form
    411,828,015.12/619,968,471.41 = 375,175,464.36/x
  3. Step 3: Cross multiply
    411,828,015.12x = 619,968,471.41 × 375,175,464.36
  4. Step 4: Simplify right side
    411,828,015.12x = 232,596,959,147,930,240
  5. Step 5: Solve for x
    x = 232,596,959,147,930,240/411,828,015.12
  6. Step 6: Final answer
    x = 564,791,492.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.