Home / 554,447,066.04-765,142,997.64-306,932,553.72

Finding the Fourth Proportional to 554,447,066.04, 765,142,997.64 and 306,932,553.72

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Solution

The fourth proportional to 554,447,066.04, 765,142,997.64 and 306,932,553.72 is: 423,570,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,447,066.04 : 765,142,997.64 = 306,932,553.72 : x
  2. Step 2: Convert to fraction form
    554,447,066.04/765,142,997.64 = 306,932,553.72/x
  3. Step 3: Cross multiply
    554,447,066.04x = 765,142,997.64 × 306,932,553.72
  4. Step 4: Simplify right side
    554,447,066.04x = 234,847,294,226,621,152
  5. Step 5: Solve for x
    x = 234,847,294,226,621,152/554,447,066.04
  6. Step 6: Final answer
    x = 423,570,271.38

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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.