Home / 19,005,708,719.72-26,227,904,005.79-10,315,163,961.57

Finding the Fourth Proportional to 19,005,708,719.72, 26,227,904,005.79 and 10,315,163,961.57

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Solution

The fourth proportional to 19,005,708,719.72, 26,227,904,005.79 and 10,315,163,961.57 is: 14,234,940,363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005,708,719.72 : 26,227,904,005.79 = 10,315,163,961.57 : x
  2. Step 2: Convert to fraction form
    19,005,708,719.72/26,227,904,005.79 = 10,315,163,961.57/x
  3. Step 3: Cross multiply
    19,005,708,719.72x = 26,227,904,005.79 × 10,315,163,961.57
  4. Step 4: Simplify right side
    19,005,708,719.72x = 270,545,130,187,990,859,776
  5. Step 5: Solve for x
    x = 270,545,130,187,990,859,776/19,005,708,719.72
  6. Step 6: Final answer
    x = 14,234,940,363.33

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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.