Home / 1,238,311,473.86-1,708,818,258.56-673,798,572.38

Finding the Fourth Proportional to 1,238,311,473.86, 1,708,818,258.56 and 673,798,572.38

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Solution

The fourth proportional to 1,238,311,473.86, 1,708,818,258.56 and 673,798,572.38 is: 929,813,966.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,311,473.86 : 1,708,818,258.56 = 673,798,572.38 : x
  2. Step 2: Convert to fraction form
    1,238,311,473.86/1,708,818,258.56 = 673,798,572.38/x
  3. Step 3: Cross multiply
    1,238,311,473.86x = 1,708,818,258.56 × 673,798,572.38
  4. Step 4: Simplify right side
    1,238,311,473.86x = 1,151,399,303,062,692,736
  5. Step 5: Solve for x
    x = 1,151,399,303,062,692,736/1,238,311,473.86
  6. Step 6: Final answer
    x = 929,813,966.33

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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.