Home / 291,354,007.20-437,031,010.80-277,917,079.20

Finding the Fourth Proportional to 291,354,007.20, 437,031,010.80 and 277,917,079.20

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Solution

The fourth proportional to 291,354,007.20, 437,031,010.80 and 277,917,079.20 is: 416,875,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,354,007.20 : 437,031,010.80 = 277,917,079.20 : x
  2. Step 2: Convert to fraction form
    291,354,007.20/437,031,010.80 = 277,917,079.20/x
  3. Step 3: Cross multiply
    291,354,007.20x = 437,031,010.80 × 277,917,079.20
  4. Step 4: Simplify right side
    291,354,007.20x = 121,458,382,041,359,648
  5. Step 5: Solve for x
    x = 121,458,382,041,359,648/291,354,007.20
  6. Step 6: Final answer
    x = 416,875,618.80

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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.