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Finding the Fourth Proportional to 613,271,018.16, 919,875,952.98 and 225,063,307.71

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Solution

The fourth proportional to 613,271,018.16, 919,875,952.98 and 225,063,307.71 is: 337,583,741.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,271,018.16 : 919,875,952.98 = 225,063,307.71 : x
  2. Step 2: Convert to fraction form
    613,271,018.16/919,875,952.98 = 225,063,307.71/x
  3. Step 3: Cross multiply
    613,271,018.16x = 919,875,952.98 × 225,063,307.71
  4. Step 4: Simplify right side
    613,271,018.16x = 207,030,324,660,567,232
  5. Step 5: Solve for x
    x = 207,030,324,660,567,232/613,271,018.16
  6. Step 6: Final answer
    x = 337,583,741.17

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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.