Home / 291,100,663,245.65-436,659,890,457.93-99,870,018,467

Finding the Fourth Proportional to 291,100,663,245.65, 436,659,890,457.93 and 99,870,018,467

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Solution

The fourth proportional to 291,100,663,245.65, 436,659,890,457.93 and 99,870,018,467 is: 149,808,079,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,100,663,245.65 : 436,659,890,457.93 = 99,870,018,467 : x
  2. Step 2: Convert to fraction form
    291,100,663,245.65/436,659,890,457.93 = 99,870,018,467/x
  3. Step 3: Cross multiply
    291,100,663,245.65x = 436,659,890,457.93 × 99,870,018,467
  4. Step 4: Simplify right side
    291,100,663,245.65x = 43,609,231,323,831,669,358,592
  5. Step 5: Solve for x
    x = 43,609,231,323,831,669,358,592/291,100,663,245.65
  6. Step 6: Final answer
    x = 149,808,079,574.97

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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.