Home / 901,190,237.88-1,351,937,979.96-310,820,181.16

Finding the Fourth Proportional to 901,190,237.88, 1,351,937,979.96 and 310,820,181.16

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Solution

The fourth proportional to 901,190,237.88, 1,351,937,979.96 and 310,820,181.16 is: 466,282,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,190,237.88 : 1,351,937,979.96 = 310,820,181.16 : x
  2. Step 2: Convert to fraction form
    901,190,237.88/1,351,937,979.96 = 310,820,181.16/x
  3. Step 3: Cross multiply
    901,190,237.88x = 1,351,937,979.96 × 310,820,181.16
  4. Step 4: Simplify right side
    901,190,237.88x = 420,209,607,848,251,712
  5. Step 5: Solve for x
    x = 420,209,607,848,251,712/901,190,237.88
  6. Step 6: Final answer
    x = 466,282,911.40

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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.