Home / 1,008,609,088.60-1,512,913,632.90-394,989,376.60

Finding the Fourth Proportional to 1,008,609,088.60, 1,512,913,632.90 and 394,989,376.60

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Solution

The fourth proportional to 1,008,609,088.60, 1,512,913,632.90 and 394,989,376.60 is: 592,484,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,609,088.60 : 1,512,913,632.90 = 394,989,376.60 : x
  2. Step 2: Convert to fraction form
    1,008,609,088.60/1,512,913,632.90 = 394,989,376.60/x
  3. Step 3: Cross multiply
    1,008,609,088.60x = 1,512,913,632.90 × 394,989,376.60
  4. Step 4: Simplify right side
    1,008,609,088.60x = 597,584,812,708,812,288
  5. Step 5: Solve for x
    x = 597,584,812,708,812,288/1,008,609,088.60
  6. Step 6: Final answer
    x = 592,484,064.90

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Double scale
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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.