Home / 679,892,602.20-1,019,838,903.30-271,242,029.40

Finding the Fourth Proportional to 679,892,602.20, 1,019,838,903.30 and 271,242,029.40

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Solution

The fourth proportional to 679,892,602.20, 1,019,838,903.30 and 271,242,029.40 is: 406,863,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,892,602.20 : 1,019,838,903.30 = 271,242,029.40 : x
  2. Step 2: Convert to fraction form
    679,892,602.20/1,019,838,903.30 = 271,242,029.40/x
  3. Step 3: Cross multiply
    679,892,602.20x = 1,019,838,903.30 × 271,242,029.40
  4. Step 4: Simplify right side
    679,892,602.20x = 276,623,173,792,162,304
  5. Step 5: Solve for x
    x = 276,623,173,792,162,304/679,892,602.20
  6. Step 6: Final answer
    x = 406,863,044.10

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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.