Home / 764,805,856.87-1,147,143,070.67-465,597,130.27

Finding the Fourth Proportional to 764,805,856.87, 1,147,143,070.67 and 465,597,130.27

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Solution

The fourth proportional to 764,805,856.87, 1,147,143,070.67 and 465,597,130.27 is: 698,355,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,805,856.87 : 1,147,143,070.67 = 465,597,130.27 : x
  2. Step 2: Convert to fraction form
    764,805,856.87/1,147,143,070.67 = 465,597,130.27/x
  3. Step 3: Cross multiply
    764,805,856.87x = 1,147,143,070.67 × 465,597,130.27
  4. Step 4: Simplify right side
    764,805,856.87x = 534,106,521,715,459,200
  5. Step 5: Solve for x
    x = 534,106,521,715,459,200/764,805,856.87
  6. Step 6: Final answer
    x = 698,355,689.77

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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.