Home / 291,345,451.20-437,018,176.80-277,908,523.20

Finding the Fourth Proportional to 291,345,451.20, 437,018,176.80 and 277,908,523.20

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Solution

The fourth proportional to 291,345,451.20, 437,018,176.80 and 277,908,523.20 is: 416,862,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,345,451.20 : 437,018,176.80 = 277,908,523.20 : x
  2. Step 2: Convert to fraction form
    291,345,451.20/437,018,176.80 = 277,908,523.20/x
  3. Step 3: Cross multiply
    291,345,451.20x = 437,018,176.80 × 277,908,523.20
  4. Step 4: Simplify right side
    291,345,451.20x = 121,451,076,126,044,496
  5. Step 5: Solve for x
    x = 121,451,076,126,044,496/291,345,451.20
  6. Step 6: Final answer
    x = 416,862,784.80

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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.