Home / 346,835,381.80-520,085,111.10-193,318,479.40

Finding the Fourth Proportional to 346,835,381.80, 520,085,111.10 and 193,318,479.40

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Solution

The fourth proportional to 346,835,381.80, 520,085,111.10 and 193,318,479.40 is: 289,884,100.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,835,381.80 : 520,085,111.10 = 193,318,479.40 : x
  2. Step 2: Convert to fraction form
    346,835,381.80/520,085,111.10 = 193,318,479.40/x
  3. Step 3: Cross multiply
    346,835,381.80x = 520,085,111.10 × 193,318,479.40
  4. Step 4: Simplify right side
    346,835,381.80x = 100,542,062,836,432,064
  5. Step 5: Solve for x
    x = 100,542,062,836,432,064/346,835,381.80
  6. Step 6: Final answer
    x = 289,884,100.97

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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.