Home / 9,249,764,560.78-12,764,344,825.13-5,235,348,639.45

Finding the Fourth Proportional to 9,249,764,560.78, 12,764,344,825.13 and 5,235,348,639.45

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Solution

The fourth proportional to 9,249,764,560.78, 12,764,344,825.13 and 5,235,348,639.45 is: 7,224,594,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249,764,560.78 : 12,764,344,825.13 = 5,235,348,639.45 : x
  2. Step 2: Convert to fraction form
    9,249,764,560.78/12,764,344,825.13 = 5,235,348,639.45/x
  3. Step 3: Cross multiply
    9,249,764,560.78x = 12,764,344,825.13 × 5,235,348,639.45
  4. Step 4: Simplify right side
    9,249,764,560.78x = 66,825,795,313,654,996,992
  5. Step 5: Solve for x
    x = 66,825,795,313,654,996,992/9,249,764,560.78
  6. Step 6: Final answer
    x = 7,224,594,190.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.