Home / 370,901,429.28-511,818,368.58-205,876,008

Finding the Fourth Proportional to 370,901,429.28, 511,818,368.58 and 205,876,008

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Solution

The fourth proportional to 370,901,429.28, 511,818,368.58 and 205,876,008 is: 284,094,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,901,429.28 : 511,818,368.58 = 205,876,008 : x
  2. Step 2: Convert to fraction form
    370,901,429.28/511,818,368.58 = 205,876,008/x
  3. Step 3: Cross multiply
    370,901,429.28x = 511,818,368.58 × 205,876,008
  4. Step 4: Simplify right side
    370,901,429.28x = 105,371,122,544,323,024
  5. Step 5: Solve for x
    x = 105,371,122,544,323,024/370,901,429.28
  6. Step 6: Final answer
    x = 284,094,679.14

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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.