Home / 19,399,642,005.10-29,099,463,007.65-8,370,611,502.70

Finding the Fourth Proportional to 19,399,642,005.10, 29,099,463,007.65 and 8,370,611,502.70

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Solution

The fourth proportional to 19,399,642,005.10, 29,099,463,007.65 and 8,370,611,502.70 is: 12,555,917,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399,642,005.10 : 29,099,463,007.65 = 8,370,611,502.70 : x
  2. Step 2: Convert to fraction form
    19,399,642,005.10/29,099,463,007.65 = 8,370,611,502.70/x
  3. Step 3: Cross multiply
    19,399,642,005.10x = 29,099,463,007.65 × 8,370,611,502.70
  4. Step 4: Simplify right side
    19,399,642,005.10x = 243,580,299,774,228,234,240
  5. Step 5: Solve for x
    x = 243,580,299,774,228,234,240/19,399,642,005.10
  6. Step 6: Final answer
    x = 12,555,917,254.05

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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.