Home / 276,400,853,394.10-381,400,142,904.87-152,785,294,111.46

Finding the Fourth Proportional to 276,400,853,394.10, 381,400,142,904.87 and 152,785,294,111.46

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Solution

The fourth proportional to 276,400,853,394.10, 381,400,142,904.87 and 152,785,294,111.46 is: 210,825,445,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,400,853,394.10 : 381,400,142,904.87 = 152,785,294,111.46 : x
  2. Step 2: Convert to fraction form
    276,400,853,394.10/381,400,142,904.87 = 152,785,294,111.46/x
  3. Step 3: Cross multiply
    276,400,853,394.10x = 381,400,142,904.87 × 152,785,294,111.46
  4. Step 4: Simplify right side
    276,400,853,394.10x = 58,272,333,007,873,434,976,256
  5. Step 5: Solve for x
    x = 58,272,333,007,873,434,976,256/276,400,853,394.10
  6. Step 6: Final answer
    x = 210,825,445,335.32

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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.