Home / 55,853,499,500.69-77,079,457,081.78-30,480,605,143.74

Finding the Fourth Proportional to 55,853,499,500.69, 77,079,457,081.78 and 30,480,605,143.74

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Solution

The fourth proportional to 55,853,499,500.69, 77,079,457,081.78 and 30,480,605,143.74 is: 42,064,123,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,853,499,500.69 : 77,079,457,081.78 = 30,480,605,143.74 : x
  2. Step 2: Convert to fraction form
    55,853,499,500.69/77,079,457,081.78 = 30,480,605,143.74/x
  3. Step 3: Cross multiply
    55,853,499,500.69x = 77,079,457,081.78 × 30,480,605,143.74
  4. Step 4: Simplify right side
    55,853,499,500.69x = 2,349,428,496,003,498,508,288
  5. Step 5: Solve for x
    x = 2,349,428,496,003,498,508,288/55,853,499,500.69
  6. Step 6: Final answer
    x = 42,064,123,412.26

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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.