Home / 452,709,117.10-679,063,675.65-388,139,035.60

Finding the Fourth Proportional to 452,709,117.10, 679,063,675.65 and 388,139,035.60

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Solution

The fourth proportional to 452,709,117.10, 679,063,675.65 and 388,139,035.60 is: 582,208,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,709,117.10 : 679,063,675.65 = 388,139,035.60 : x
  2. Step 2: Convert to fraction form
    452,709,117.10/679,063,675.65 = 388,139,035.60/x
  3. Step 3: Cross multiply
    452,709,117.10x = 679,063,675.65 × 388,139,035.60
  4. Step 4: Simplify right side
    452,709,117.10x = 263,571,120,177,782,208
  5. Step 5: Solve for x
    x = 263,571,120,177,782,208/452,709,117.10
  6. Step 6: Final answer
    x = 582,208,553.40

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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.