Home / 1,008,609,082.10-1,512,913,623.15-394,989,370.10

Finding the Fourth Proportional to 1,008,609,082.10, 1,512,913,623.15 and 394,989,370.10

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Solution

The fourth proportional to 1,008,609,082.10, 1,512,913,623.15 and 394,989,370.10 is: 592,484,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,609,082.10 : 1,512,913,623.15 = 394,989,370.10 : x
  2. Step 2: Convert to fraction form
    1,008,609,082.10/1,512,913,623.15 = 394,989,370.10/x
  3. Step 3: Cross multiply
    1,008,609,082.10x = 1,512,913,623.15 × 394,989,370.10
  4. Step 4: Simplify right side
    1,008,609,082.10x = 597,584,799,023,727,360
  5. Step 5: Solve for x
    x = 597,584,799,023,727,360/1,008,609,082.10
  6. Step 6: Final answer
    x = 592,484,055.15

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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.