Home / 678,304,030.40-1,017,530,695.20-247,575,838.40

Finding the Fourth Proportional to 678,304,030.40, 1,017,530,695.20 and 247,575,838.40

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Solution

The fourth proportional to 678,304,030.40, 1,017,530,695.20 and 247,575,838.40 is: 371,391,004.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,304,030.40 : 1,017,530,695.20 = 247,575,838.40 : x
  2. Step 2: Convert to fraction form
    678,304,030.40/1,017,530,695.20 = 247,575,838.40/x
  3. Step 3: Cross multiply
    678,304,030.40x = 1,017,530,695.20 × 247,575,838.40
  4. Step 4: Simplify right side
    678,304,030.40x = 251,916,014,961,874,880
  5. Step 5: Solve for x
    x = 251,916,014,961,874,880/678,304,030.40
  6. Step 6: Final answer
    x = 371,391,004.14

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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.