Home / 303,823,872,001.80-455,735,808,002.70-209,786,875,086.60

Finding the Fourth Proportional to 303,823,872,001.80, 455,735,808,002.70 and 209,786,875,086.60

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Solution

The fourth proportional to 303,823,872,001.80, 455,735,808,002.70 and 209,786,875,086.60 is: 314,680,312,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,823,872,001.80 : 455,735,808,002.70 = 209,786,875,086.60 : x
  2. Step 2: Convert to fraction form
    303,823,872,001.80/455,735,808,002.70 = 209,786,875,086.60/x
  3. Step 3: Cross multiply
    303,823,872,001.80x = 455,735,808,002.70 × 209,786,875,086.60
  4. Step 4: Simplify right side
    303,823,872,001.80x = 95,607,391,025,953,150,861,312
  5. Step 5: Solve for x
    x = 95,607,391,025,953,150,861,312/303,823,872,001.80
  6. Step 6: Final answer
    x = 314,680,312,629.90

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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.