Home / 1,347,238,836.40-2,020,858,254.60-764,748,007.60

Finding the Fourth Proportional to 1,347,238,836.40, 2,020,858,254.60 and 764,748,007.60

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Solution

The fourth proportional to 1,347,238,836.40, 2,020,858,254.60 and 764,748,007.60 is: 1,147,122,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,238,836.40 : 2,020,858,254.60 = 764,748,007.60 : x
  2. Step 2: Convert to fraction form
    1,347,238,836.40/2,020,858,254.60 = 764,748,007.60/x
  3. Step 3: Cross multiply
    1,347,238,836.40x = 2,020,858,254.60 × 764,748,007.60
  4. Step 4: Simplify right side
    1,347,238,836.40x = 1,545,447,323,847,363,584
  5. Step 5: Solve for x
    x = 1,545,447,323,847,363,584/1,347,238,836.40
  6. Step 6: Final answer
    x = 1,147,122,011.40

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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.