Home / 28,810,695,807.81-39,757,906,301.81-15,950,908,910.07

Finding the Fourth Proportional to 28,810,695,807.81, 39,757,906,301.81 and 15,950,908,910.07

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Solution

The fourth proportional to 28,810,695,807.81, 39,757,906,301.81 and 15,950,908,910.07 is: 22,011,781,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810,695,807.81 : 39,757,906,301.81 = 15,950,908,910.07 : x
  2. Step 2: Convert to fraction form
    28,810,695,807.81/39,757,906,301.81 = 15,950,908,910.07/x
  3. Step 3: Cross multiply
    28,810,695,807.81x = 39,757,906,301.81 × 15,950,908,910.07
  4. Step 4: Simplify right side
    28,810,695,807.81x = 634,174,741,875,205,472,256
  5. Step 5: Solve for x
    x = 634,174,741,875,205,472,256/28,810,695,807.81
  6. Step 6: Final answer
    x = 22,011,781,530.92

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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.