Home / 607,919,306.10-839,340,460.40-385,098,721.08

Finding the Fourth Proportional to 607,919,306.10, 839,340,460.40 and 385,098,721.08

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Solution

The fourth proportional to 607,919,306.10, 839,340,460.40 and 385,098,721.08 is: 531,697,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,919,306.10 : 839,340,460.40 = 385,098,721.08 : x
  2. Step 2: Convert to fraction form
    607,919,306.10/839,340,460.40 = 385,098,721.08/x
  3. Step 3: Cross multiply
    607,919,306.10x = 839,340,460.40 × 385,098,721.08
  4. Step 4: Simplify right side
    607,919,306.10x = 323,228,937,848,812,864
  5. Step 5: Solve for x
    x = 323,228,937,848,812,864/607,919,306.10
  6. Step 6: Final answer
    x = 531,697,109.48

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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.