Home / 678,304,032.40-1,017,530,698.20-247,575,840.40

Finding the Fourth Proportional to 678,304,032.40, 1,017,530,698.20 and 247,575,840.40

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Solution

The fourth proportional to 678,304,032.40, 1,017,530,698.20 and 247,575,840.40 is: 371,391,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,304,032.40 : 1,017,530,698.20 = 247,575,840.40 : x
  2. Step 2: Convert to fraction form
    678,304,032.40/1,017,530,698.20 = 247,575,840.40/x
  3. Step 3: Cross multiply
    678,304,032.40x = 1,017,530,698.20 × 247,575,840.40
  4. Step 4: Simplify right side
    678,304,032.40x = 251,916,017,739,663,776
  5. Step 5: Solve for x
    x = 251,916,017,739,663,776/678,304,032.40
  6. Step 6: Final answer
    x = 371,391,007.14

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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.