Home / 654,522,809.92-903,260,643.57-357,184,211.22

Finding the Fourth Proportional to 654,522,809.92, 903,260,643.57 and 357,184,211.22

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Solution

The fourth proportional to 654,522,809.92, 903,260,643.57 and 357,184,211.22 is: 492,924,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,522,809.92 : 903,260,643.57 = 357,184,211.22 : x
  2. Step 2: Convert to fraction form
    654,522,809.92/903,260,643.57 = 357,184,211.22/x
  3. Step 3: Cross multiply
    654,522,809.92x = 903,260,643.57 × 357,184,211.22
  4. Step 4: Simplify right side
    654,522,809.92x = 322,630,440,499,620,032
  5. Step 5: Solve for x
    x = 322,630,440,499,620,032/654,522,809.92
  6. Step 6: Final answer
    x = 492,924,670.63

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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.