Home / 519,877,548.60-780,114,921.30-196,993,145.40

Finding the Fourth Proportional to 519,877,548.60, 780,114,921.30 and 196,993,145.40

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Solution

The fourth proportional to 519,877,548.60, 780,114,921.30 and 196,993,145.40 is: 295,602,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,877,548.60 : 780,114,921.30 = 196,993,145.40 : x
  2. Step 2: Convert to fraction form
    519,877,548.60/780,114,921.30 = 196,993,145.40/x
  3. Step 3: Cross multiply
    519,877,548.60x = 780,114,921.30 × 196,993,145.40
  4. Step 4: Simplify right side
    519,877,548.60x = 153,677,292,120,360,448
  5. Step 5: Solve for x
    x = 153,677,292,120,360,448/519,877,548.60
  6. Step 6: Final answer
    x = 295,602,863.66

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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.