Home / 369,709,471.68-510,215,014.08-204,697,040.64

Finding the Fourth Proportional to 369,709,471.68, 510,215,014.08 and 204,697,040.64

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Solution

The fourth proportional to 369,709,471.68, 510,215,014.08 and 204,697,040.64 is: 282,490,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,709,471.68 : 510,215,014.08 = 204,697,040.64 : x
  2. Step 2: Convert to fraction form
    369,709,471.68/510,215,014.08 = 204,697,040.64/x
  3. Step 3: Cross multiply
    369,709,471.68x = 510,215,014.08 × 204,697,040.64
  4. Step 4: Simplify right side
    369,709,471.68x = 104,439,503,472,271,920
  5. Step 5: Solve for x
    x = 104,439,503,472,271,920/369,709,471.68
  6. Step 6: Final answer
    x = 282,490,743.33

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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.