Home / 713,123,485.20-1,069,685,227.80-195,606,239.40

Finding the Fourth Proportional to 713,123,485.20, 1,069,685,227.80 and 195,606,239.40

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Solution

The fourth proportional to 713,123,485.20, 1,069,685,227.80 and 195,606,239.40 is: 293,409,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,123,485.20 : 1,069,685,227.80 = 195,606,239.40 : x
  2. Step 2: Convert to fraction form
    713,123,485.20/1,069,685,227.80 = 195,606,239.40/x
  3. Step 3: Cross multiply
    713,123,485.20x = 1,069,685,227.80 × 195,606,239.40
  4. Step 4: Simplify right side
    713,123,485.20x = 209,237,104,751,690,336
  5. Step 5: Solve for x
    x = 209,237,104,751,690,336/713,123,485.20
  6. Step 6: Final answer
    x = 293,409,359.10

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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.