Home / 291,345,383.70-437,018,075.55-277,908,455.70

Finding the Fourth Proportional to 291,345,383.70, 437,018,075.55 and 277,908,455.70

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Solution

The fourth proportional to 291,345,383.70, 437,018,075.55 and 277,908,455.70 is: 416,862,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,345,383.70 : 437,018,075.55 = 277,908,455.70 : x
  2. Step 2: Convert to fraction form
    291,345,383.70/437,018,075.55 = 277,908,455.70/x
  3. Step 3: Cross multiply
    291,345,383.70x = 437,018,075.55 × 277,908,455.70
  4. Step 4: Simplify right side
    291,345,383.70x = 121,451,018,489,086,432
  5. Step 5: Solve for x
    x = 121,451,018,489,086,432/291,345,383.70
  6. Step 6: Final answer
    x = 416,862,683.55

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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.