Home / 30,189,003,318.95-41,662,688,532.92-16,640,609,966.08

Finding the Fourth Proportional to 30,189,003,318.95, 41,662,688,532.92 and 16,640,609,966.08

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Solution

The fourth proportional to 30,189,003,318.95, 41,662,688,532.92 and 16,640,609,966.08 is: 22,965,069,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189,003,318.95 : 41,662,688,532.92 = 16,640,609,966.08 : x
  2. Step 2: Convert to fraction form
    30,189,003,318.95/41,662,688,532.92 = 16,640,609,966.08/x
  3. Step 3: Cross multiply
    30,189,003,318.95x = 41,662,688,532.92 × 16,640,609,966.08
  4. Step 4: Simplify right side
    30,189,003,318.95x = 693,292,550,014,453,809,152
  5. Step 5: Solve for x
    x = 693,292,550,014,453,809,152/30,189,003,318.95
  6. Step 6: Final answer
    x = 22,965,069,190.59

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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.