Home / 370,082,750.78-510,714,199.47-205,070,320.22

Finding the Fourth Proportional to 370,082,750.78, 510,714,199.47 and 205,070,320.22

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Solution

The fourth proportional to 370,082,750.78, 510,714,199.47 and 205,070,320.22 is: 282,997,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,082,750.78 : 510,714,199.47 = 205,070,320.22 : x
  2. Step 2: Convert to fraction form
    370,082,750.78/510,714,199.47 = 205,070,320.22/x
  3. Step 3: Cross multiply
    370,082,750.78x = 510,714,199.47 × 205,070,320.22
  4. Step 4: Simplify right side
    370,082,750.78x = 104,732,324,426,213,856
  5. Step 5: Solve for x
    x = 104,732,324,426,213,856/370,082,750.78
  6. Step 6: Final answer
    x = 282,997,043.78

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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.