Home / 280,408,917,126.56-420,616,606,831.68-101,348,502,778.40

Finding the Fourth Proportional to 280,408,917,126.56, 420,616,606,831.68 and 101,348,502,778.40

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Solution

The fourth proportional to 280,408,917,126.56, 420,616,606,831.68 and 101,348,502,778.40 is: 152,023,922,002.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,408,917,126.56 : 420,616,606,831.68 = 101,348,502,778.40 : x
  2. Step 2: Convert to fraction form
    280,408,917,126.56/420,616,606,831.68 = 101,348,502,778.40/x
  3. Step 3: Cross multiply
    280,408,917,126.56x = 420,616,606,831.68 × 101,348,502,778.40
  4. Step 4: Simplify right side
    280,408,917,126.56x = 42,628,863,346,121,696,608,256
  5. Step 5: Solve for x
    x = 42,628,863,346,121,696,608,256/280,408,917,126.56
  6. Step 6: Final answer
    x = 152,023,922,002.74

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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.