Home / 447,316,390,009.72-617,298,503,428.06-252,002,015,430.42

Finding the Fourth Proportional to 447,316,390,009.72, 617,298,503,428.06 and 252,002,015,430.42

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Solution

The fourth proportional to 447,316,390,009.72, 617,298,503,428.06 and 252,002,015,430.42 is: 347,763,843,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,316,390,009.72 : 617,298,503,428.06 = 252,002,015,430.42 : x
  2. Step 2: Convert to fraction form
    447,316,390,009.72/617,298,503,428.06 = 252,002,015,430.42/x
  3. Step 3: Cross multiply
    447,316,390,009.72x = 617,298,503,428.06 × 252,002,015,430.42
  4. Step 4: Simplify right side
    447,316,390,009.72x = 155,560,466,986,053,171,937,280
  5. Step 5: Solve for x
    x = 155,560,466,986,053,171,937,280/447,316,390,009.72
  6. Step 6: Final answer
    x = 347,763,843,356.32

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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.