Home / 370,196,393.76-510,863,719.05-202,933,015.38

Finding the Fourth Proportional to 370,196,393.76, 510,863,719.05 and 202,933,015.38

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Solution

The fourth proportional to 370,196,393.76, 510,863,719.05 and 202,933,015.38 is: 280,043,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,196,393.76 : 510,863,719.05 = 202,933,015.38 : x
  2. Step 2: Convert to fraction form
    370,196,393.76/510,863,719.05 = 202,933,015.38/x
  3. Step 3: Cross multiply
    370,196,393.76x = 510,863,719.05 × 202,933,015.38
  4. Step 4: Simplify right side
    370,196,393.76x = 103,671,114,955,057,648
  5. Step 5: Solve for x
    x = 103,671,114,955,057,648/370,196,393.76
  6. Step 6: Final answer
    x = 280,043,557.16

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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.