Home / 291,100,663,247.15-436,659,890,460.19-99,870,018,468.50

Finding the Fourth Proportional to 291,100,663,247.15, 436,659,890,460.19 and 99,870,018,468.50

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Solution

The fourth proportional to 291,100,663,247.15, 436,659,890,460.19 and 99,870,018,468.50 is: 149,808,079,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,100,663,247.15 : 436,659,890,460.19 = 99,870,018,468.50 : x
  2. Step 2: Convert to fraction form
    291,100,663,247.15/436,659,890,460.19 = 99,870,018,468.50/x
  3. Step 3: Cross multiply
    291,100,663,247.15x = 436,659,890,460.19 × 99,870,018,468.50
  4. Step 4: Simplify right side
    291,100,663,247.15x = 43,609,231,324,712,364,146,688
  5. Step 5: Solve for x
    x = 43,609,231,324,712,364,146,688/291,100,663,247.15
  6. Step 6: Final answer
    x = 149,808,079,577.23

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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.