Home / 291,354,005.70-437,031,008.55-277,917,077.70

Finding the Fourth Proportional to 291,354,005.70, 437,031,008.55 and 277,917,077.70

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Solution

The fourth proportional to 291,354,005.70, 437,031,008.55 and 277,917,077.70 is: 416,875,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,354,005.70 : 437,031,008.55 = 277,917,077.70 : x
  2. Step 2: Convert to fraction form
    291,354,005.70/437,031,008.55 = 277,917,077.70/x
  3. Step 3: Cross multiply
    291,354,005.70x = 437,031,008.55 × 277,917,077.70
  4. Step 4: Simplify right side
    291,354,005.70x = 121,458,380,760,499,712
  5. Step 5: Solve for x
    x = 121,458,380,760,499,712/291,354,005.70
  6. Step 6: Final answer
    x = 416,875,616.55

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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.