Home / 51,215,638,638.94-70,674,781,267.44-28,036,368,205.24

Finding the Fourth Proportional to 51,215,638,638.94, 70,674,781,267.44 and 28,036,368,205.24

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Solution

The fourth proportional to 51,215,638,638.94, 70,674,781,267.44 and 28,036,368,205.24 is: 38,688,655,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,215,638,638.94 : 70,674,781,267.44 = 28,036,368,205.24 : x
  2. Step 2: Convert to fraction form
    51,215,638,638.94/70,674,781,267.44 = 28,036,368,205.24/x
  3. Step 3: Cross multiply
    51,215,638,638.94x = 70,674,781,267.44 × 28,036,368,205.24
  4. Step 4: Simplify right side
    51,215,638,638.94x = 1,981,464,190,438,746,619,904
  5. Step 5: Solve for x
    x = 1,981,464,190,438,746,619,904/51,215,638,638.94
  6. Step 6: Final answer
    x = 38,688,655,322.79

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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.