Home / 347,048,360.91-478,927,666.35-188,278,483.43

Finding the Fourth Proportional to 347,048,360.91, 478,927,666.35 and 188,278,483.43

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Solution

The fourth proportional to 347,048,360.91, 478,927,666.35 and 188,278,483.43 is: 259,824,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,048,360.91 : 478,927,666.35 = 188,278,483.43 : x
  2. Step 2: Convert to fraction form
    347,048,360.91/478,927,666.35 = 188,278,483.43/x
  3. Step 3: Cross multiply
    347,048,360.91x = 478,927,666.35 × 188,278,483.43
  4. Step 4: Simplify right side
    347,048,360.91x = 90,171,774,694,244,368
  5. Step 5: Solve for x
    x = 90,171,774,694,244,368/347,048,360.91
  6. Step 6: Final answer
    x = 259,824,810.75

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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.