Home / 310,837,360.64-429,149,145.53-197,870,592.45

Finding the Fourth Proportional to 310,837,360.64, 429,149,145.53 and 197,870,592.45

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Solution

The fourth proportional to 310,837,360.64, 429,149,145.53 and 197,870,592.45 is: 273,184,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,837,360.64 : 429,149,145.53 = 197,870,592.45 : x
  2. Step 2: Convert to fraction form
    310,837,360.64/429,149,145.53 = 197,870,592.45/x
  3. Step 3: Cross multiply
    310,837,360.64x = 429,149,145.53 × 197,870,592.45
  4. Step 4: Simplify right side
    310,837,360.64x = 84,915,995,675,927,040
  5. Step 5: Solve for x
    x = 84,915,995,675,927,040/310,837,360.64
  6. Step 6: Final answer
    x = 273,184,650.33

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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.