Home / 291,100,663,244.28-436,659,890,455.88-99,870,018,465.62

Finding the Fourth Proportional to 291,100,663,244.28, 436,659,890,455.88 and 99,870,018,465.62

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Solution

The fourth proportional to 291,100,663,244.28, 436,659,890,455.88 and 99,870,018,465.62 is: 149,808,079,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,100,663,244.28 : 436,659,890,455.88 = 99,870,018,465.62 : x
  2. Step 2: Convert to fraction form
    291,100,663,244.28/436,659,890,455.88 = 99,870,018,465.62/x
  3. Step 3: Cross multiply
    291,100,663,244.28x = 436,659,890,455.88 × 99,870,018,465.62
  4. Step 4: Simplify right side
    291,100,663,244.28x = 43,609,231,323,024,341,336,064
  5. Step 5: Solve for x
    x = 43,609,231,323,024,341,336,064/291,100,663,244.28
  6. Step 6: Final answer
    x = 149,808,079,572.90

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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.