Home / 712,404,484.80-1,068,228,813.60-252,357,662.40

Finding the Fourth Proportional to 712,404,484.80, 1,068,228,813.60 and 252,357,662.40

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Solution

The fourth proportional to 712,404,484.80, 1,068,228,813.60 and 252,357,662.40 is: 378,402,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,404,484.80 : 1,068,228,813.60 = 252,357,662.40 : x
  2. Step 2: Convert to fraction form
    712,404,484.80/1,068,228,813.60 = 252,357,662.40/x
  3. Step 3: Cross multiply
    712,404,484.80x = 1,068,228,813.60 × 252,357,662.40
  4. Step 4: Simplify right side
    712,404,484.80x = 269,575,726,308,421,344
  5. Step 5: Solve for x
    x = 269,575,726,308,421,344/712,404,484.80
  6. Step 6: Final answer
    x = 378,402,623.87

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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.