Home / 714,724,458.40-1,068,795,399.92-679,856,614.40

Finding the Fourth Proportional to 714,724,458.40, 1,068,795,399.92 and 679,856,614.40

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Solution

The fourth proportional to 714,724,458.40, 1,068,795,399.92 and 679,856,614.40 is: 1,016,654,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,724,458.40 : 1,068,795,399.92 = 679,856,614.40 : x
  2. Step 2: Convert to fraction form
    714,724,458.40/1,068,795,399.92 = 679,856,614.40/x
  3. Step 3: Cross multiply
    714,724,458.40x = 1,068,795,399.92 × 679,856,614.40
  4. Step 4: Simplify right side
    714,724,458.40x = 726,627,622,075,905,152
  5. Step 5: Solve for x
    x = 726,627,622,075,905,152/714,724,458.40
  6. Step 6: Final answer
    x = 1,016,654,199.44

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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.