Home / 30,288,785,821.32-45,434,104,308.66-10,391,394,134.76

Finding the Fourth Proportional to 30,288,785,821.32, 45,434,104,308.66 and 10,391,394,134.76

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Solution

The fourth proportional to 30,288,785,821.32, 45,434,104,308.66 and 10,391,394,134.76 is: 15,587,408,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288,785,821.32 : 45,434,104,308.66 = 10,391,394,134.76 : x
  2. Step 2: Convert to fraction form
    30,288,785,821.32/45,434,104,308.66 = 10,391,394,134.76/x
  3. Step 3: Cross multiply
    30,288,785,821.32x = 45,434,104,308.66 × 10,391,394,134.76
  4. Step 4: Simplify right side
    30,288,785,821.32x = 472,123,685,031,083,638,784
  5. Step 5: Solve for x
    x = 472,123,685,031,083,638,784/30,288,785,821.32
  6. Step 6: Final answer
    x = 15,587,408,746.47

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1.5x scale

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.